-- Who do you think ___ the book here?  --- It may be John. He was sitting here all the morning.
#103608
A
has left
B
leaves
C
had left
D
was leaving
推荐题目
—I’m sure Andrew will win the first prize in the final.—I think so. He ________ for it for months.
#102618
A
is preparing
B
was preparing
C
had been prepared
D
has been preparing
I must be off now. My friends ________ outside.
#101616
A
wait
B
have waited
C
are waiting
D
were waiting
Bob would have helped us yesterday, but he-_______
#101066
A
was busy
B
is busy
C
had been busy.
D
will be busy