Since nobody gave him any help, he have done the research on his own.
#86873
A
can
B
must
C
would
D
Need
推荐题目
______ he was at home, I would have phoned him then.
#86596
A
Had I known
B
I had known
C
Would I know
D
I would know
— Has Tim started? He said he would join in the party.— He ____.He is a man of keeping his word.
#88048
A
could have left
B
must have left
C
can’t come
D
won’t be coming
When I was you age, I dared to go out alone at night, ________ you?
#89219
A
dared
B
dare
C
did
D
didn’t
—What do you think of your nephew?—He__________ be very naughty but at the same time you poor.
#90023
A
will ; will
B
won't; can't
C
may ; may
D
can; can't