题目内容
E-shopping, when properly _______, can save us a lot of time and energy.
A. done B. is done C. having done D. doing
A
考查状语从句的省略。主从句主语一致,谓语动词是be动词时,主语和谓语一起省略。
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—I downtown to the shopping centre soon.Could I get you something?
—No, thanks.I will do e-shopping.
A.was just going |
B.am just about to go |
C.have just gone |
D.am just going |