I really don’t know____________.
#50551
A
how to do
B
what to do
C
what should I do
D
how I should do
推荐题目
The problem is         difficult for me        work out.
#51005
A
very; to
B
enough; to
C
so; that
D
too; to
The boy with two dogs _____ in the yard when the earthquake rocked the city.
#51208
A
is playing
B
was playing
C
are playing
D
were playing
Would you mind me _______the door?  _________. It’s really cold here.
#49045
A
close; Yes
B
closing; Of course
C
closing; Of course not
D
close; Sure