问题
Only in this way _______ to make improvement in the operating system.
A:you can hope
B:can you hope
C:you did hope
D:did you hope
B:can you hope
C:you did hope
D:did you hope
正确答案是：
同类题型
Is everyone here — Not yetLook，there ______________ the rest of our guests!
What did you think of Act I of the play last night?— I’m sorryThe play ________ when I got there
Only then __________ how much damage had been caused.
He didn’t seem to mind_____________ TV while he wastrying to study
Toby ______ talk ______ and does ______. Thenhe can be a good boy.