——Where _______ the books? ——_______ on the bed.is; It’s B. are; TheyC. are; They’re D. is; It
Can you tell me how much___________________?
Surprisingly, the performance supposed to be popular ______ to be a great disappointment.
It ______ we know the result of the experiment.
When______ what his plan for his summer holiday was, he got very excited.
---What do you think of his new design? --- It’s of even practical value than the old one. He’s just a bookworm!