the period of recent terroristactivities, people _____ not to touch an unattended bag．

There are several reasons _____ the smog days in many parts of China.

I think that every need of the customer should be attended to—________

May I speak to Mr. Li—Sorry. He isn’t in now. Hesomewhereabroad since last Friday.

The Browns have six children altogether It is obviousthat ________ little money the present job brings Mr Brown can hardly supportso large ________family like that