.—_______ John this week?—Yes.—Where _______ him?—In the library.
#104288
A
Did you see; did you see
B
Have you seen; did you see
C
Do you see; have you seen
D
Have you seen; have you seen
推荐题目
By the time Einstein was 14 years old, he ________ himself advanced mathematics.
#104517
A
has taught
B
taught
C
had taught
D
was teaching
The woman will think of her own child ______ she ______ these little children.
#101185
A
every time;sees
B
each time;will see
C
next time;see
D
all time;sees
-Thank you for your coffee.-You are so kind to say so, but you _______ it at all.
#100707
A
didn’t drink
B
aren’t drinking
C
don’t drink
D
hadn’t drunk
The church tower      , which will be open to tourists soon. The work is almost finished. 
#102600
A
has restored
B
has been restored
C
is restoring
D
is being restored