All their attempts to rescue the child from the burning building were _____, and he died soon.
| A．in place | B．in return | C．in vain | D．in ruins |
This area experienced ____ heaviest rainfall in ____ month of May.
| A．/ ; a | B．a; the | C．the ; a | D．the ;the |
We offered these students a summer course ,aimed _____ improving their spoken English.
| A．to | B．of | C．at | D．for |
--I can't find John .Where did you meet him this morning?
-- It was in the hotel _____ he stayed．
| A．why | B．where | C．which | D．What |
Don’t ____ when other people are talking.
| A．cut through | B．cut across | C．cut into | D．cut in |
After supper she would sit down by the fire , sometimes for _____an hour, thinking of her young and happy days.
| A．as long as | B．as soon as | C．as much as | D．as many as |