问题补充:
-Has Tommy finished his homework yet?
-I have no idea; he it this morning.
A. was doing
B. had been doing
C. has done
D. did
答案:
(答案→)A. was doing
B. had been doing
C. has done
D. did
解析:表示今天上午一直在做作业。
时间:2023-01-06 02:53:09
-Has Tommy finished his homework yet?
-I have no idea; he it this morning.
A. was doing
B. had been doing
C. has done
D. did
(答案→)A. was doing
B. had been doing
C. has done
D. did
解析:表示今天上午一直在做作业。