Large quantities of information＿＿＿since then as to how the program has worked.
#99507
A
has been offered
B
were offered
C
have been offered
D
was offered
推荐题目
一 When did the computer crash?一 This morning, while I the reading materials downloaded from some websites.
#102121
A
have sorted
B
was sorting
C
am sorting
D
had sorted
-Did you catch the first bus?-No ,it_______ the stop by the time I got there.
#99859
A
left
B
was leaving
C
had left
D
would leave
Ted ______ for two months in London last year to receive his yearly training.
#103424
A
stayed
B
has stayed
C
had stayed
D
would stay
I had been working on math for the whole afternoon and the numbers before my eyes.
#102156
A
swim
B
swum
C
swam
D
had swum
---Has Tom finished his composition yet? ---I have no idea, he _____ it this morning.
#103677
A
would write
B
has written
C
wrote
D
was writing