Forced by his heartless son into signing the paper, the poor old man could do nothing
A. flutter
B. splutter
C. chatter
D. clatter
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沙丁胺醇治疗哮喘的主要药理作用为
A. 兴奋α受体
B. 兴奋β受体
C. 兴奋α、β受体
D. 兴奋β1受体
E. 兴奋β1、β2受体
Quite often after dinner, they () music in a pub and () home about midnight.
A. are playing…are going
B. will play… are going
C. play…go
A: I saw Tom just now at the caféB:It ()be him. He went to U.S.A. yesterday.A. mustn&A: I saw Tom just now at the café
B:It ()be him. He went to U.S.A. yesterday.
A. mustn't
B. can't
C. shouldn't
What's ()job? Are () British?
A. your, your
B. you, your
C. your, you