第二节语法和词汇知识(共15小题;每小题1分,满分15分)从A、B、C、D四个选项中。选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。All of____ sudden, I caught ____ sight of my lost watch under the sofa. A.a; \ B.\;a C.the; a D.a; the
At the school gate, you should _____ the safeguard with your student card.
Father insisted Tom _____ all his homework before he went to bed.
I met this guy _____ some other occasions but he did not seem to recognize me.
I don’t like the lecture yesterday. Most of what the speaker said was _____ the subject.
The demand for _____ skilled workers is still increasing.