My best friend visited my house while I __   __ dinner in the kitchen.
#41582
A
cook
B
cooking
C
cooked
D
was cooking
推荐题目
Peter doesn’t tell me when he ____________. I’ll telephone you as soon as he ____________. 
#37342
A
will come, comes
B
will come, will come
C
comes, will come
D
comes, comes
-–I hear you __________ your project at the end of last week.-–In fact, I __________ it by the end of last month.
#41534
A
had finished; had finished
B
finished; had finished
C
had finished; finished
D
finished; finished
-Why does the river smell terrible? -Because the water_______.
#42170
A
was polluted
B
has been polluted
C
will be polluted
D
has polluted
Neither Jim’s cousins nor he himself ____to America , but _____ of the know the country very well.
#41626
A
have been ;all
B
have been ; both
C
has been ;all
D
has been ;both