15 by->on

16 listen->listening

17 readed->read

15. Nam always goes to school by foot . _by-> on___
16. I practice listening English by listen to English songs . _listen -> listening_
17. Last night I readed a funny story. __readed -> read__

If he wants to attend the course, he must pass the exam

if he wants to attend the course he must pass the exam

1-enjoyed 

2-played

3-travelled

4-Did you cry

5-didn't study

6-did he teach

7-turned 

8-told

9-knew

10-didn't accept

11-did your parents visit

12-rang

tutu mầy:)

1.There are (A) too much (B) vehicles in  (C) Ho Chi Minh City these days (D)                                     too many

2.A( A) flashing (B) DON’T WALK signal indicates (C) you shouldn’t crossing (D) the street                 doesn't walk

3.Children should (A) hold an (B) adult’s hand (C) when walking at (D) footpaths                                  ko bt

1 much->many

2 crossing->cross

3 at->on

Vì cao su có độ bền , dẻo dai và đàn hồi cao nên nó thường được dùng làm lốp xe của các phương tiện giao thông để giúp vc vận chuyển dễ dàng hơn và dễ tiếp xúc với mặt đường , giảm nguy cơ bị xóc

dẻo dai, đàn hổi,ma sát ,tuổi thọ cao

A great number of students doesn't seem ( not seem) to agree with us right now.

did Adam hardly visit ( visit) this place? 

Measles of these children are (be) serious to their health? 

Why not only your partners but also your sister appeared ( appear) to disapprove of my plan at the moment?

Where either of you frequently go ( go) on a holiday?

My husband, as well as his buddies, work( work) because it is Monday. 

Why everyone need( need) to come here on time now? 

Economics helps (help) students to understand how the world operates. 

Look! Neither you nor your family thinks ( think) that amount of money is worthy. 

I don't think ( not think) that this dish of tomatoes tastes ( taste) that good now. 

 It is 2pm and Susan _doesn’t prefer_ ( not prefer) going (go) out to _staying_ ( stay) inside her house. 

The condition of rabies doesn't cause ( not cause) so many problems at the moment. 

1 Lan goes to the supermarket on foot

2 Our garden has many flowers

3 He has balck hair

4 We mustn't finish the task today

5 Are there 23 students in your class?

6 Lan is not as young as Minh