What do you this new watch?

I have bought a Chinese – English dictionary? －When and where_____ you _____ it?

We don’t believe _____ little children can do ____ much work in such a short time.

Ia letter from him since he left.

The supermarket is crowded（拥挤的）. There are ___________ people there.—Yeah, and the things there are always ______________ expensive（贵的）.