Do you know the person with __________ he always chatted online?—Yes, one of his QQ friends.

Do you know the young man well?—Sure, we __________ friends since we met in Nanjing three years ago.

Where’s the zoo?–It’s ________ the post office.[ ]

Hurry. Mike! The bus is coming.—Wait a moment, please! Let me see if there’s left.

.Why __________ put the meat in the fridge ? It’ll stay fresh for several days.