— Are you sure you can do well in tomorrow's test, Lucy?
— . I’ve got everything ready.
A. It’s hard to say B. I’m afraid not
C. I think so D. I'm not sure.
The house _______ Lu Xun used to live in is now the museum.
A. which B. where C. when D. what
The maths problem was so difficult that none of us could ____.
A. try it out B. work it out C. look it up D. work on it
—Yesterday，my father bought me a new mobile phone as a present，but I don't know how to use it.
—Why not read the ________ first before using it?
A. expressions B. instrument C. advertisements D. instructions
The football match went on, it rained heavily last night.
A. if B. though C. so that D. so
They take great pride _______ their daughter who is now a famous scientist.
A. for B. in C. of D. on
