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
Nowadays it is difficult for people to find ________ work everywhere because ________ economic situation is very serious.
A. 不填；an B. a; the C. 不填; the D. a; 不填;
