1 . I walk through the doors into the waiting area,         there's a familiar atmosphere of boredom and tension.

A．which

B．that

C．whose

D．where

2 . I hadn’t got much money on me but I gave Bob _____ I had.

A．that

B．what

C．where

D．how

3 . —Do you know ________ I chose this cafe?
—You like the music here.

A．why

B．where

C．when

D．whether

4 . —_______ I get to the airport, I’ll phone you.
—OK. I’ll pick you up there.

A．Since

B．As soon as

C．Unless

D．Although

5 . Many people welcome the chance to do meaningful things, ________they will get no pay.

A．even if

B．as if

C．in case

D．now that

6 . The book won’t be published until next year, ________ is disappointing.

A．which

B．when

C．why

D．that

7 . In time of serious accidents,________we know some basic things about first aid, we can save lives.

A．whether

B．until

C．unless

D．if