It’s bad for your eyes ____ computer games for a long time.
| A．plays | B．to play | C．play | D．played |
The police tried to get some clues from the suspect, but he remained______.
| A．silent | B．quiet | C．calm | D．secret |
________by the advances in technology, many farmers have set up wind farms on their land.
| A．Being encouraged | B．Encouraging |
| C．Encouraged | D．Having encouraged |
Not until I began to work ____ how much time I had wasted.
| A．didn’t I realize | B．did I realize | C．I didn’t realize | D．I realized |
It was_______ that they went for a drive in the countryside.
| A．such a fine weather | B．so fine a weather |
| C．such fine weather | D．so fine weather |
Simon made a big bamboo box the little sick bird till it could fly．
| A．keep | B．kept | C．keeping | D．to keep |