Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Because they fly, bats are often mistaken for birds; ________, bats are mammals, not birds.
A.otherwise
B.as if
C.in case
D.however

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
________ you plan to be walking after dark or not, it is a good idea to take a torch along when you are hiking in rough terrain.
A.Provided
B.In case
C.Even if
D.Whether

If we_________enough time, we’ll study this exercise more carefully.
A.will have
B.have
C.had
D.would have

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If you ________ up before the journey, we wouldn’t have lost half an hour looking for a petrol station in an unknown city.
A.had remembered filling
B.had remembered to fill
C.remember to fill
D.remembered filling

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We can only win if we remain united, and so we must support them the moment they ______ on strike.
A.will have gone
B.will go
C.go
D.went

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
All the inhabitants in the area have been asked to ______ at home if the storm returns.
A.settle
B.dwell
C.remain
D.occupy

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
This fund has been set up to help protect those_____ of animals that are endangered with complete extinction.
A.kinds
B.species
C.races
D.breeds

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Marine reptiles are among the few creatures that are known to have a possible life span greater than _______.
A.man
B.the man’s
C.the one of mans
D.that of man

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The car swerved to avoid a cyclist and just missed hitting a passer-by by _____.
A.a slight edge
B.a narrow escape
C.a close thing
D.a hair’s breadth

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops.
A.Some
B.to prevent
C.to plant
D.rotating