There are so many kinds of pens in the shop ,I can’t decide ______.
_____ little water is not enough for _____ many people.
---I called you yesterday evening, but there was no answer. ---Oh, I am sorry I _____dinner at my friend’s house.
There ______ a talk show on CCTV-4 at nine this evening.
The teacher asked me _________.
If Mary goes,_________________.