The train will be leaving in five minutes so you_______ hurry up.
A.had
B.should
C.ought
D.do

Choose the best answer to complete each unfinished sentence.
Deserts have ________ reputation for supporting very little life, but in ________ reality deserts often have high biodiversity.
A.a/ Ø
B.the/ the
C.a/ the
D.the/ a

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The waiter was not very nice, ________, the food was delicious.
A.however
B.but
C.so
D.and so

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Maria tried to read a novel in French ________ the book was too difficult for her to understand.
A.so that
B.therefore
C.but
D.and

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I bought a bottle of wine ________ we drank it together.
A.therefore
B.so
C.and
D.but

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________ that we stopped for a rest.
A.But we were tired
B.So tired were we
C.However we were tired
D.Therefore, we were tired

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________ long it takes, I will wait for you.
A.However
B.But
C.So
D.Therefore

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This is an expensive ________ very useful book.
A.but
B.so
C.therefore
D.however

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The desert biome includes the hottest places in the world because it absorbs more ________ from the sun than land in humid climates do.
A.heat
B.hot
C.hotly
D.heating

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________ is the process by which a piece of land becomes dry, empty, and unsuitable for growing trees or crops on.
A.desert
B.deserted
C.desertify
D.desertification