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A. They’re tigers B. They’re very lovely

C. I like tigers D. You’re right

A. has B. have C. is D. are

—I________to write a report last night.

A. looked up B. ended up C. stayed up D. took up

A. in B. on C. at D. to

A. Follow / of B. Follow / to C. Following / to D. To follow / of

---Sorry. I think if I __________ another chance, I’ll do it better.

A. give B. will be given C. will give D. am given

【題目】It's our duty our environment clean.
A.keep
B.to keep
C.keeping
D.for keeping

【題目】I have finished this book. You can take it away.
A.to read
B.read
C.reading
D.reads

【題目】We found necessary to protect the environment.
A.it
B.this
C.that
D.what