I could have turned to Mr. Smith for help, but he ______ too busy then.
#104216
A
is
B
was
C
should be
D
has been
推荐题目
-Has Tommy finished his homework yet?-I have no idea; he ____ it this morning.
#104683
A
was doing
B
had been doing
C
has done
D
did
—How long ____ you ____ in Singapore?—For just the weekend． I’ll be back next Monday morning.
#100619
A
have; stayed
B
are; staying
C
did; stay
D
do; stay
If a computer crashes,you will lose the file you _____ on unless you save it regularly.
#104026
A
are working
B
work
C
will work
D
worked
— Were you surprised by the ending of the film? — No, I ______ the book, so I already knew the story.
#100283
A
was reading
B
had read
C
am reading
D
have read
All the preparations for the task ___________, and we’re ready to start.
#104437
A
completed
B
complete
C
had been completed
D
have been completed