问题

I don’t know _______to do next? –It’s easy .Press the red button in 2 minutes.
A:what
B:how
C:where
D:when
B:how
C:where
D:when
正确答案是:
同类题型
I was _____ tired _____ I thought I couldn’t cover the 70-mile hikingBut I made it finally
Thecomputer game ______ well and _____ out very soon.
Remember the first time we met, Jim? — Of course I doYou __ in the library
I didn’t see you at the meeting yesterday.– I _______ an important report at that moment.