---- How long do you think it is______ he arrived here?
---- No more than half a year, I believe.
A. when B. that C. before D. since
Pandas would die ______ if people were allowed to hunt ______ they wished.
A. out; as many as B. away; more than
C. off; as much as D. out; less than
This is the only painting in this style ____________ we have.
A. which B. that C. in which D. in that
___________ from space, the earth looks like a blue ball.
A. To see B. Seeing C. See D. Seen
I suggested the meeting ______ at the manager’s office.
A. hold B. be held C. is held D. is to be held
Today, we _____ work as hard as people did in the past.
A. mustn’t B. can’t C. shouldn’t D. don’t have to
