. The reason for all the changes being made _______to us yet.
#103486
A
has not explained
B
has not been explained
C
did not explained
D
were not explained
推荐题目
Wait a moment, please. When I _________ writing the letter, I will go shopping with you.
#99366
A
will have finished
B
have finished
C
will finish
D
finished
For 800 years Oxford and Cambridge universities ______ in everything from Nobel prizes to boat races.
#101163
A
competed
B
had been competing
C
have competed
D
compete
We ________ to go skiing tomorrow，but there’s no snow，so we’ll just stay home instead。
#104762
A
are going
B
were going
C
will go
D
would go
---When did you move to Beijing? ---Last year. But I _____ in a school in Japan for 8 years.
#100774
A
has taught
B
taught
C
has been taught
D
has been teaching
– Did Alan enjoy seeing his old friend yesterday? -- Yes, he did. He ______ his old friend for a long time.
#102470
A
didn’t see
B
hadn’t seen
C
hasn’t seen
D
wouldn’t see