21.____ staying at hotels in Red River Village, tourists can help the villagers make money so that they can take _____the river and the birds.
A.By; care for B.By; care of
C.Through; care of D.With; care of
22.It was ___ to watch sunset ____ evening.
A.funny; to B.fun; towards
C.a fun; towards D.fun; in
23.While hiking, you should ____ for dangers, ____ spiders, snakes or poisonous plants.
A.watch out; for example B.take care, for example
C.watch out; such as D.take care; such as
24.He had a speech to prepare, so he ____ the party at an early time.
A.get away B.get away from C.leave for D.leave from
25.Children shouldn't go swimming in the lake ____ they are with their parent.
A.until B.unless C.if not D.before
26.He is clever, but ____, he makes many mistakes.
A.on the contrary B.on the other side
C.on the other hand D.on one hand
27.- Are you going to Beijing ____ pleasure?
- No, I'll go to Beijing ____ business.
A.on; for B.on; on C.for; on D.for; for
28.Eco-travel is a form of travel ___ combines normal tourism with learning, _____ a way to find out what can be done to help animals, plants and people .
A.what; as well as B.that, as well
C.which; as well as D.which; as well
29.The mother often tells her son to be a good boy, warning him to ____ trouble.
A.hold back from B.keep out of C.break away from D.get rid of
30.John was caught ____ the earthquake ____ caused a lot of damage.
A.by; which B.in; which C.by; in which D.in; in which
31.____ my surprise, ____ I could have a word with him, he left.
A.In; before B.To; before C.In; when D.To; since
32.Albert Einstein, ____ life had once been very hard , was given the Nobel Prize for physics in 1921.
A.of whom B.for whom C.for whose D.in whom
33.-Will you go shopping now?
-Not until I ____ my experiment.
A.have finished B.will finish C.finished D.had finished
34.The little girl ___ her mum's hand tightly while they ____ the street.
A.held on to ; crossed B.held up; crossed
C.held back; crossed D.held by; crossed
35.The teacher advised Tom to ___ before deciding to quit school.
A.think about B.think twice
36.The general manager would like to see the plan ___ by the end of the year.
A.carry out B.carrying out C.carried out D.to be carried out
37.The dentist had ___ patients and he was ___ his feet all day.
A.many ; on B.a few; by C.many; by D.only a few; on
38.I lost my way in complete darkness and, ____ matters worse, it began to rain.
A.made B.making C.to make D.having made
39.The boy ___ be very naughty, but he is very lovely.
A.might B.can C.may D.must
40.Helen is much kinder to her youngest child than to the others, ___, of course, makes the others unhappy.
A.who B.which C.that D.what
