题目内容
【题目】It's time to __________ (对……采取强硬措施）the poachers.
【答案】见解析
【解析】get tough with
【题目】He __________ (献出生命）to protect our homeland.
【题目】照看，密切注视____________________
【题目】__________ at the door before you enter my room, please.
A. Knock
B. Knocking
C. Knocked
D. To knock
【题目】 If __________ to look after luggage for someone else, inform the police at once.
A. asked
B. to ask
C. asking
D. having asked
【题目】 He __________ (致力于）to studying UFO.
【题目】I 'll wear a red jacket________ you can see me easily.
A. in case B. so that C. now that D．if only
【题目】-What has made him in such a low mood recently?-__________ by his father for not passing the exam.
A. Being criticized
B. Criticized
C. Having criticized
D. To criticize
【题目】 Hot __________ the night air was, we slept deeply because we were so tired after the long journey.
A. although
B. as
C. while
D. however
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