1 . Once the damage is done, it will take many years for the farmland ________.

A．recover

B．to recover

C．recovered

D．recovering

2 . It is the fourth time that Tom ______ in the maths exams.

A．failed	B．has failed
C．had failed	D．have failed

3 . We were having an evening class __________ the light went out.

A．while	B．even if
C．as if	D．when

4 . In our city, citizens have free _____ to the library, which makes it easy for them to read any book they like.

A．time

B．entrance

C．charge

D．access

5 . _______ I met him, I thought he was a serious man.

A．For the first time	B．The first time
C．It was the first time	D．By the first time