I
1 Mnay people around the world have lost their lives and homes because of natural disasters.
2 The survival of the natural world depends on each and every one of us.
3 Jack whose house was destroyed in the fire is now homeless.
4 It was said that over 50 people had been homeless after the flood.
5 English is the language which is spoken as a first language by most people in the world.
II
1 B but -> so ( Cô ấy làm việc chăm chỉ vì vậy cố ấy vượt qua kì thi ).
2 C watched -> was watching ( when he came -> hành động xen vào -> quá khứ đơn, I was watching a football match on TV -> hành động đang xảy ra -> quá khứ tiếp diễn ).
3 C were knowing -> knew ( hai hành động xảy ra liên tiếp nên chia quá khứ đơn ).
4 D for -> since ( last week là mốc thời gian -> dùng " since " ).
5 C hear -> hearing ( loof forward to + Ving ).
6 C don't talk -> not to talk ( ask + SO + ( not ) to V ).
7 B ask -> asked ( would you mind + if + S + Ved/2 )
8 B more tiring -> more tired
9 C visited -> have visited ( This is the first/second + time + hiện tại hoàn thành )
10 A are -> were ( used to :đã từng -> vế trước chia quá khứ đơn ).
