While he ________ his homework , his mother came in.
#41781
A
does
B
did
C
was doing
D
do
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—I called you yesterday evening, but there was no answer.—Oh, I’m sorry. I ________ dinner in my friend’s home.
#41832
A
have
B
will have
C
was having
D
have had
I ________ my homework while my parents ________ TV at 9 last night.
#38497
A
did; have watched
B
had done; were watching
C
was doing; were watching
D
would do; were watching
---Jim isn’t in the classroom. Where is he?--- He ____ to the teacher’s office?
#41849
A
will go
B
has gone
C
had gone
D
is going
Shirley ______ a book about Tibet last year, but I don’t know whether she has finished it.
#63712
A
has written
B
wrote
C
had written
D
was writing