Question

(   ) 1. Since you promised her to help her out of the trouble，you should        your duty.

A. perform    B. operate C. achieve    D. admit

Answer 1

1. A考查动词的辨析。perform履行，执行；operate 操作，实施；achieve实现，达到；admit承认，认可。句意：既然你已经答应了帮助她摆脱困难，那么你就应该履行职责。