1 . He did nothing but _________ (wait) for them.（所给词的适当形式填空）

2 . Let's ________ (思考)on what we did.

3 . The terrible train crash in Wenzhou has shaken the country, not only causing the loss of lives, but also ________ people ________ confidence in the rail system.

A．made; losing	B．make; lost
C．making; lose	D．making; to lose

4 . Whom would you rather ________ with you, Jim or Jack?

A．have gone

B．have to go

C．have go

D．has to go