—Tony, you must have noticed the student who broke the window. —I’m sorry. I _______ attentively.
#99787
A
studied
B
was studying
C
am studying
D
would study
推荐题目
By the time he _____ back last night, we had got 200 pictures of the Chang'e-3 lunar probe.
#99993
A
came
B
had come
C
was coming
D
would come
The Tibetans in the Himalayas for centuries and have adjusted to the conditions at________.
#102472
A
has live; a such great height
B
have live; such a great height
C
has lived; a such great height
D
have lived; such a great height
They _____ on the program for almost one week before I joined them, and now, we ____on it as no good results have come out so far.
#100667
A
had been working; are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working
—Tommy is planning to buy a car.—I know .By next month ,he enough for a used one
#99632
A
saves
B
saved
C
will save
D
will have saved