The refrigerator is（）we must buy some food.

单项选择题These plants are rather difficult（）

A.to look after
B.to be looked after
C.being looked after
D.looking after

单项选择题The act of speaking will also help to improve listening comprehension（）

A.to some way
B.in the way
C.to some extent
D.in the extent

单项选择题They walked（）the woods.

A.up
B.down
C.through
D.over

单项选择题It was well known that Thomas Edison（）the electric lamp.

A.invented
B.discovered
C.found
D.developed

单项选择题After stopping for a few minutes, the bus moved（）to its next stop.

A.forward
B.off
C.with
D.on

单项选择题The teacher spoke so fast that it was hard for the students to（）what he was saying.

A.take in
B.take out
C.take up
D.take over

单项选择题I am very surprised that even an expert on foreign affairs can know the painting is forgery. （）he can tell who painted it.

A.However
B.Otherwise
C.Nevertheless
D.Moreover

单项选择题I haven't read（）book, but I read half of it. At least I know something about the subject now

A.whole
B.the whole
C.all of
D.all

单项选择题Mr. Smith（）a most important part in the development of our city.

A.took
B.had
C.played
D.made

单项选择题They all（）the job

A.asked after
B.asked for
C.asked to
D.asked with