This is one of the longest bridges that __________ on this river.
A. is ever built
B. have ever been built
C. was ever built
D. has ever built
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They asked so many questions that they __________ me.
A. neglected
B. wondered
C. confused
D. gained
In order to __________ your goals, you must work hard.
A. achieve
B. make
C. develop
D. grow
The hotel __________ we stayed was both cheap and comfortable.
A. at which
B. wherever
C. which
D. in that
The teacher didn't tell me __________ to read after class.
A. what
B. that
C. but
D. as