Jack wants to get health insurance, _____ it's too expensive.
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The bus stop ______ in 1999.
A. was built
B. will be built
C. built
He works as hard as others,______ he is in poor health..
A. although
B. as
C. because
Jenny is _____ university student, and she is ____ honest girl.
A. a / an
B. an / a
C. an / the
This is _____the Shenzhou V Spaceship landed.
A. there
B. which
C. where