________ my sister three times today but her line was always busy．

A．I’d phoned

B．I’ve been phoning

C．I’ve phoned

D．I was phoning

All possible means ________ been taken to stop the river ________．

A．have; polluting

B．has; polluted

C．has; from polluted

D．have; being polluted

In fact ________ is a hard job for the police to keep order in an important football match．

A．this

B．that

C．there

D．it

The place of interest is worth ________．

A．visiting

B．visit

C．to be visited

D．being visited

The end of the term is coming near and I ________ go back to my hometown．

A．can’t help

B．can’t wait to

C．look forward to

D．wish can

The manager advised us to ________ to work instead of taking buses．

A．stop

B．go

C．cycle

D．travel

The famous singer ________ many records since she went in that field．

A．made

B．holds

C．has made

D．has broken

I am ________ to go and nothing will stop me．

A．determine

B．determined

C．determining

D．to determine

He couldn’t find his wallet and insisted it ________ stolen．

A．be

B．was

C．should be

D．must be

After she found she had lost the necklace, she ________ to find it．

A．made up her mind

B．made her mind

C．had made up her mind

D．had made mind