- _ he like math? 一 Because it's difficult.
#37995
A
Why does
B
Why don't
C
Why do
D
Why doesn't
推荐题目
The world _________. Things never stay the same.
#41577
A
changed
B
is changing
C
was changing
D
will change
Thousands of people______ after the powerful earthquake happened in Wenchuan on May 12th.
#41551
A
die
B
dead
C
were saved
D
are saving
---- Where is your uncle now? I haven’t seen him these days． ---- He _______to the earthquake area with his workmates．
#41566
A
goes
B
will go
C
has been
D
has gone
—It’s dangerous to swim here. Look at the sign!—Oh, I _______ it.
#36498
A
didn’t notice
B
don’t notice
C
hadn’t notice
D
haven’t notice
— When _________ you________ your teeth, Billy?—Just now.
#42507
A
do; brush
B
have; brushed
C
did; brush
D
was: brushing