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


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1.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

2.单项选择题They walked()the woods.

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

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

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

5.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

8.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

9.单项选择题They all()the job

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

10.单项选择题I can do that job()myself.

A.by
B.on
C.with
D.–(不填)