A. instruction B. invitation

C. introduction D. invention

—You are right.

A. That’s our duty B. This is our duty

C. It’s our duty D. The duty is

—If you make a ________, you must keep it.

A. joke B. noise

C. mistake D. promise

【題目】—Could I ________a dictionary from you， David?
—Sorry， I _______ it to Mary yesterday.
A.borrow; lend
B.lend; borrowed
C.borrow; lent
D.lent; borrowed

-- Good afternoon, Grace!

A. Good morning B. Good afternoon

C. Good evening D. Thank you

【題目】Tom is ________ unusual student in ________ university. He often has different opinions from others.
A.a/ an
B.an/ a
C.a/ a
D.an/ an

—No, you _______.

A. must B. mustn’t C. needn’t D. can’t

A. exactly B. differently

C. quickly D. Simply

-He is _____ pride of us.

A. the; / B. a; the

C. the; the D. a; /

A. This is; to learn B. It’s; to learn

C. It’s; learn D. That’s; learn