We can’t put off _________ a plan.

There’re ______ fish in the pond( 池塘). They’re very lovely.

Where is Tom Why isn’t he at work today–He Beijing on business.

There was thick haze（雾霾）in our city this year．What do you think of it—I think ________ cars we drive，____pollution our city will have．

She devoted herself entirely ________ helping the children who suffered a lot from the earthquake[ ]