Mr. Brown................ for 10 years when he finally gave it up.
A.had been smoking
B.has been smoking
C.had smoked
D.has smoked

............... they might be hungry. I offered them something to eat.
A.To feel
B.Felt
C.Feeling
D.Having felt

The sun is shining and there are very few clouds; ................. , I am sure it is going to rain.
A.hence
B.nevertheless
C.what's more
D.thus

Dangerous chemicals can be ............. from burning plastics or hairspray containers.
A.freed
B.invented
C.released
D.escaped

Many factories have to...................... old newspapers by new methods.
A.print
B.process
C.recycle
D.make

Would Tim be angry if I ............... his bicycle without asking?
A.had taken
B.would take
C.took
D.take

Peter won $20.000, half of............. he gave to the local orphanage.
A.it
B.which
C.whom
D.that

Not only ................ but she is also very intelligent.
A.beautiful she is
B.is she beautiful
C.she is beautiful
D.beautiful is she

A lot of people make contributions to the victims of the disasters.
A.take money
B.give money
C.sell things
D.borrow money

The name of the book was on the.................... of my tongue, but I just could not think of it.
A.point
B.tip
C.top
D.end