问题补充:
The boy pretended his homework, when his parents came back home.
A. to do
B. do
C. doing
D. to be doing
答案:
A. to do
B. do
C. doing
(答案→)D. to be doing
解析:假装正在做什么,应该用进行时态。
时间:2019-02-13 11:43:51
The boy pretended his homework, when his parents came back home.
A. to do
B. do
C. doing
D. to be doing
A. to do
B. do
C. doing
(答案→)D. to be doing
解析:假装正在做什么,应该用进行时态。