When Premier Zhou Enlai was alive，he________work from morninguntil night every day，dealing with numerous affairs.

How long has Mr. Green lived __________ Lanzhou—-He’s lived here __________ 1998.

We have been friends ever________ we were at school together.

Oh, it’s you! I ______ you. — I’ve just had my hair cut and I’m wearing new glasses.

____ children tend to prefer sweets to meat.