Often, when he ______ something that ______ him, he wasted his time drawing some little pictures. 
#89280
A
should be doing; gave
B
should have been doing; was given
C
should do; was given
D
should have been doing; had given
推荐题目
If my lawyer ______ here last Friday, he _____ me from telling the truth.
#87567
A
had been; would have prevented
B
had been; would prevent
C
were; would prevent
D
were; would have prevented
If Helen             her credit card, she could have bought the dress.
#86908
A
brought
B
should bring
C
had brought
D
were to bring
Tom _____ full marks, but he was too careless and made a spelling mistake.
#86664
A
could gain
B
could have gained
C
must have gained
D
must gain