想请教各位先进:
1. Jill's_____passing math tests since she was an elementary school student.
A) excited about
B) intrested in
C) tired of
D) worried about
这题的答案是 (D), 但为何没有 "been", 有老师说 been 可以省略, 请问这题的
been真的可以省略吗?
2. _____ you _____ breakfast at 8:30 this morning?
A) Did; have
B) Were; having
这题答案是(B), 请问为何不可选 (A) ?
3. The president _____ his inaugral speech at 10'clock this morning.
A) made
B) was making
这题答案是(A), 请问为何不可选 (B) ?
第2题和第3题有什么不一样吗?
感恩解答!