In the Mediterranean seaweed is so abundant and so easily harvested that it is never () of great.

单项选择题—How many cakes can I have, Mom —None, dear. They () for your father.

A．prepare
B．prepared
C．have prepared
D．were prepared

单项选择题You shouldn't () your hope. Everything will be better.

A．give up
B．fix up
C．cheer up
D．put up

单项选择题—I'm going back to see my parents this afternoon. --().

A．It's very nice of you
B．You'd better hurry
C．Say goodbye to them
D．Give my best wishes to them

单项选择题One of the few things you say about English people with certainty is that they () talk a lot about the weather.

A．need
B．must
C．should
D．can

单项选择题I tried phoning her office, but I couldn't ().

A．get along
B．get on
C．get to
D．get through

单项选择题Thomas Jefferson and John Adams died on July 4, 1826, the fiftieth of American Independence ().

A．ceremony
B．anniversary
C．occasion
D．occurrence

单项选择题For a moment nothing happened. Then () all shouting together.

A．voices had come
B．came voices
C．voices would come
D．did voices come

单项选择题Almost all job applicants are determined to leave a good () on a potential employer.

A．illusion
B．impression
C．reflection
D．reputation

单项选择题In our class, when the bell rang and the teacher closed his book, it was a () for everyone to stand up.

A．signal
B．chance
C．mark
D．measure

单项选择题Would you please keep silent The weather report () and I want to listen.

A．is broadcast
B．is being broadcast
C．has been broadcast
D．had been broadcast