Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It ______ last night because the ground is really wet.
A.might have rained
B.must have rained
C.should have rained
D.can have rained

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Today's weather will be a ______ of yesterday.
A.continuity
B.continuing
C.continuation
D.continual

We must wait............. Friday for our final exam result.
A.after
B.by
C.until
D.later

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
While Tom is traveling around the world, he often______enough local languages to get by.
A.gets in
B.puts up
C.takes off
D.picks up

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Tom_______things round the house, which is annoying.
A.always leaves
B.is leaving
C.has always left
D.is always leaving

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It was so foggy that driver couldn’t ____ the traffic signs.
A.break out
B.make out
C.keep out
D.take out

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
It is very difficult to _______ the exact meaning of an idiom in a foreign language.
A.exchange
B.transfer
C.convert
D.convey

It's a pity you didn't go on a trip with us. We all wish................with us.
A.go
B.could go
C.went
D.had gone

Wear a helmet when riding a motorbike. Helmets are used................ our heads.
A.to protect
B.protect
C.protecting
D.protected

Precious metals such as gold, silver.., .................. for making jewelries.
A.used to
B.are used
C.is used
D.used