While Mary ___ a letter, the children were playing outside.
#39841
A
wrote
B
writes
C
is writing
D
was writing
推荐题目
The number of foreign students attending Chinese universities ________ rising steadily since1990.
#37896
A
is
B
are
C
has been
D
have been
You shouldn’t ________ here . The baby _____.
#41887
A
play; sleeping
B
to play; is sleeping
C
plays; sleeps
D
play ; is sleeping
— you see the film Journey to the West yesterday?—Yes. But the film for 5 minutes by the time I got there.
#37292
A
Do; had begun
B
Do; had been on
C
Did; had begun
D
Did; had been on
The tickets for the Imax film are selling so well. Try to buy one before all the tickets .
#40483
A
will be sold
B
will be sold out
C
are sold
D
are sold out