Question

[Hoàng Văn Nam]

Question 23: A university professor in Singapore gave a two-hour online lecture, (23) _______ he didn't realize he was on mute. Professor Wang, who teaches Maths, was not aware that throughout his online presentation, the microphone on his computer was switched off.

A. because

B. however

C. but

D. although

Question 24: This meant that (24) _______ of the students attending his online class heard what professor Wang was talking about

A. some

B. none

C. most

D. many

Question 25: His university switched his classes online to help (25) ______the spread of COVID-19.

encourage

discourage

reduce

improve

Question 26: Students tried many times (26)______professor Wang during the lesson but could not get through to him. They waved their arms and even tried calling him on his personal phone.

to contact

contacting

contacted

contact

Question 27: After realizing what happened, professor Wang was shocked and (27)______. He said he was upset because he wasted two hours of his students' time.

stress

stressed

stressing

stressful

Answer 1

[Đỗ Thanh Hải]

Question 23: A university professor in Singapore gave a two-hour online lecture, (23) _______ he didn't realize he was on mute. Professor Wang, who teaches Maths, was not aware that throughout his online presentation, the microphone on his computer was switched off.

A. because

B. however

C. but

D. although

Question 24: This meant that (24) _______ of the students attending his online class heard what professor Wang was talking about

A. some

B. none

C. most

D. many

Question 25: His university switched his classes online to help (25) ______the spread of COVID-19.

encourage

discourage

reduce

improve

Question 26: Students tried many times (26)______professor Wang during the lesson but could not get through to him. They waved their arms and even tried calling him on his personal phone.

to contact

contacting

contacted

contact

Question 27: After realizing what happened, professor Wang was shocked and (27)______. He said he was upset because he wasted two hours of his students' time.

stress

stressed

stressing

stressful

Answer 2

[Phạm Vĩnh Linh]

A university professor in Singapore gave a two-hour online lecture, (23) _______ he didn't realize he was on mute. Professor Wang, who teaches Maths, was not aware that throughout his online presentation, the microphone on his computer was switched off.

A. because

B. however

C. but

D. although

Question 24: This meant that (24) _______ of the students attending his online class heard what professor Wang was talking about

A. some

B. none

C. most

D. many

Question 25: His university switched his classes online to help (25) ______the spread of COVID-19.

encourage

discourage

reduce

improve

Question 26: Students tried many times (26)______professor Wang during the lesson but could not get through to him. They waved their arms and even tried calling him on his personal phone.

to contact

contacting

contacted

contact

Question 27: After realizing what happened, professor Wang was shocked and (27)______. He said he was upset because he wasted two hours of his students' time.

stress

stressed

stressing

stressful