Social attention should be paid our earth from .
A. to prevent; being polluted | B. to preventing; polluted |
C. to prevent; polluting | D. to preventing; being polluted |
— He ought to have been warned of the danger.
— ______, but he just wouldn’t listen to me.
A.So ought he | B.So he was |
C.So was he | D.So he had |
The traffic problem we are looking forward to seeing _____ should have attracted the local government’s attention.
A.solving | B.solve |
C.to solve | D.solved |
— He hasn’t finished the work yet.
— Well, he _____.
A.ought | B.ought to |
C.ought to have | D.ought to have finished |
He had promised me to come to the party, and _____.
A.so did he | B.so he did |
C.so he would | D.so would he |
The country life he was used to _____ greatly since the opening policy.
A.change | B.has changed |
C.changing | D.having changed |