1After I ______ my homework, I went out to an aquarium.

A. was doing           B. did           C. does         D. would do

 

【答案】

B

【解析】根據(jù)語(yǔ)境可以選擇B.

 

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

同步練習(xí)冊(cè)答案