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A. ought to be B. can be C. should be D. has to be

A. Because; / B. Because; so

C. Although; but D. Although; /

A. how B. why C. that

A. passport B. money C. umbrella

【題目】Could you please teach me _______ the computer?
A.how check
B.to check
C.how to check
D.to how checking

A. go B. goes C. to go

【題目】I don't know when __________.
A.will the train leave
B.the train will leave
C.would the train leave
D.the train leave

—That’s right. They will taste ______ with cream.

A.fresher B. saltier C. worse D. better

A. am B. is

C. are D. be

A. sing B. to sing C. sings