— ____ sweep the classroom yesterday？—I was playing tennis with my friend．
#104570
A
Why not
B
Why didn't
C
Why don't
D
Why didn't you
推荐题目
The flowers were so lovely that they ______ in no time.
#101048
A
sold
B
had been sold
C
were sold
D
would sell
-----Why didn’t you go to the gathering yesterday? ------It rained so hard and in addition, I ________ an important essay the whole morning.
#102616
A
wrote
B
had written
C
was writing
D
have been writing
---May I use your computer, Alex? ---Sorry. Mine _____.
#103334
A
has repaired
B
is being repaired
C
has been repaired
D
is repairing
But for the fact that the firefighters _____ at the spot in time, more people ______ their lives in the fire.
#103589
A
arrived; died
B
had arrived; would lose
C
arrived; would have lost
D
has arrived; could have lost
An increasing number of students, year by year, across China ____ hard to realize their dream of studying abroad.
#100319
A
is trying
B
are trying
C
will try
D
have tried