viết lại câu sao cho nghĩa ko thay đổi
a) nam was absent from class yesterday because he felt sick (viết thành because of)
b) I arrved 20 minutes early, so i had time for a cup of tea (viết thành 2 cách because, because of)
c) we looked everywhere. however, we could not find the keys (viết thành although)
d) the bus fare is expensive. therefore, i prefer to walk (viết thành because, because of)
đ) there were many people at the concert, so we couldn't get seats (viết thành because)
các bạn giúp mình với. thanks
a) Nam was absent from class yesterday because of his sickness
b) I had time for a cup of tea because I arrived 20 minutes early
I had time for a cup of tea because of arriving 20 minutes early