---Linda, I called you this morning, but nobody answered the phone.
--- I am sorry．I football with my friends then.
| A．play | B．played |
| C．am playing | D．was playing |
The idea puzzled me so much that I stopped for a few seconds to try to _______.
| A．make it out | B．make it off | C．make it up | D．make it over |
With exports ______ a big role in its economic growth, China has been affected by the current financial storm.
| A．playing | B．to play | C．played | D．play |
— How ab
out buying Sam a mobile phone? After all, he isn’t a boy any more.
—I think it necessary, for we sometimes want to make sure if he _______ home for dinner.
| A．will come | B．comes | C．has come | D．would come |
The young man, ______ several attempts to beat the world record in high jumping, decided to have another try.
| A．to make | B．making | C．made | D．having made |
It was ________ was a waste land ten years ago _______ a modern city has been set up on.
| A．which; where | B．where; that | C．what; that | D．that; which |