-- ________  your homework yet?-- Not yet. I _______ it.
#38354
A
Have you done; am doing
B
Did you do; am doing
C
Have you done; did
D
Did you do; did
推荐题目
The mobile phone has influenced people’s life a lot since it ______.
#36450
A
invents
B
invented
C
is invented
D
was invented
----- I haven’t heard from Henry for a long time.----- What do you think ___________ to him?
#41739
A
has happened
B
to happen
C
was happening
D
had happened
The light rail from Wuhan to Wenquan            in six months.  
#42037
A
will build
B
has built
C
is building
D
will be built
Mr Li ________ . 
#42495
A
teach me English
B
teach my English
C
teaches me English
D
teaches my English