I can’t find the recorder in the room. It ________ by someone.
A.may take | B.may have been taken away |
C.must have taken away | D.needn’t have been taken away |
_______ is known to all, Lu Xun was famous as a great thinker.
A.Which | B.As | C.It | D.What |
I would appreciateback this afternoon.
A.you to call | B.you call | C.your calling | D.you’re calling |
If something ________, it becomes less and less and eventually disappears completely.
A.dies off | B.breaks off | C.dies out | D.breaks out |
It’s the first time ______ he has helped us.
A.that | B.before | C.when | D.who |
Here are two pairs of shoes, ______ you may choose.
A.both of them | B.either of them | C.any of which | D.either of which |