Tim: Do you work full time at the supermarket? Mary: No, only_________when they need extra staff.
A.on and off
B.in and out
C.by and by
D.up and down

The government is thinking of bringing__________ a law to make it compulsory for cyclists to wear helmets.
A.on
B.up
C.in
D.round

I would rather you____________me about your problem earlier so that we could find out solutions for it.
A.told
B.had told
C.tell
D.would have told

It turned out that we______________rushed to the airport as the plane was delayed by several hours.
A.hadn’t
B.should have
C.mustn’t
D.needn’t have

Although younger than the other children, she demanded____________in the game.
A.to include
B.to be included
C.to have included
D.being including

A.Dimension
B.Expansion
C.Confusion
D.Tension

A.Obsolete
B.Complete
C.Compete
D.Deplete

A.Massage
B.Carriage
C.Voyage
D.Dosage

I started working here three years ago.
A.I've worked here since three years.
B.I've worked here for three years.
C.I've worked here three years ago.
D.I worked here for three years.

You'll hurt yourself if you are not careful.
A.Be careful and you'll hurt yourself.
B.Be careful nor you'll hurt yourself.
C.Be careful but you'll hurt yourself.
D.Be careful or you'll hurt yourself.