1. The last time they called me was a month ago.

They haven't.........................................................

1. The heavy rain prevented them from going out.

They..........................................................................

1. Finding an apartment in a big city is easy

It is..................................................................

2. ''What kind of books do you like best, Linda? '' asked peter.

Peter asked................................................................................

1. People think that we write on the wall

We...........................................................

2. Drive your car carefully or you have an accident

If you...........................................................................