40: I can not ________ her features very distinctly. It was ten years ago that I met her. A: sense B: remind C: recall D: respond ...

35: The fog is so heavy that we have difficulty ________ what it is before us. A: to make out B: in making out C: for making out D: on making out ...

30: I am afraid Jack will be punished for his carelessness because last night two prisoners escaped A: watchful B: off guard C: on guard D: watching out ...

25: According to an estimate, this area is energy resources will _______ in two decades. A: run up B: run out C: run over D: run through ...

20: The book is difficult _______. A: to be read B: to read C: reading D: being read ...

15: If anything ______, he would have let me know. A: happens B: should happen C: had happened D: has happened ...

10: It was so dark that I could not _______ it was you. A: find B: tell C: say D: know ...

5: It is no use thinking about one is ________ youth. A: missed B: losing C: lost D: missing ...

100: Mother held the son in her arms, tears _______ down her face. A: were streaming B: streamed C: streaming D: being streamed ...

90: The fire spread to the house and soon sent smoke and _______ over the top of the roof. A: flashes B: burns C: lights D: sparks ...