It was said was how the Chinese first raised silk worms.

A.
that what
B.
that which
C.
that who
D.
that that

Though I drank too much,I drove back home .

A.
for the sake of me
B.
for any sake
C.
for God’s sake
D.
for my sake

_______from the top, the 2008 Olympic stadium in Beijing looks just like a bird's nest made of tree branches.

A.
To see
B.
See
C.
Seeing
D.
Seen

Mary is very clever and_ worth teaching , but her brother is not .Look he is now _ asleep in class.

A.
very ; very
B.
much ; very
C.
well ; very
D.
well ; fast

People tend to live more happily and longer if they are ________ about life.

A.
pessimistic
B.
enthusiastic
C.
optimistic
D.
terrific

I’m fond of my sister, but she has a serious shortcoming. She _______ be really stubborn.

A.
must
B.
will
C.
can
D.
should

Great changes ______ in my hometown in the last ten years.

A.
took place
B.
have taken place
C.
have been taken place
D.
was taken place

You stepped into the lab with your shoes on? You’re _______ to take them off before you enter it.

A.
invited
B.
supposed
C.
forbidden
D.
permitted

He has called several times this morning. _______, there is something very urgent.

A.
Really
B.
Especially
C.
Obviously
D.
Terribly

She took her son, ran out of the house, _______ him in the car and drove quickly to the nearest doctor’s office.

A.
putting
B.
put
C.
to put
D.
having put

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