—Wish you good luck in this English exam.
—_______
A. That’s OK. B. Thank you.
C. Congratulations! D. You’re welcome.
—Is that girl in red Sally?
—No, it_______ be her. She has gone to Hong Kong.
A. may B. mustn’t C. can’t D. could
It’s winter now. We should stay away from cold _______doing sports every day.
A. on B. in C. at D. by
—You look very happy, why?
—I have got _______ “A” in the math test.
A. a B. an C. the D. /
_______ good advice the teacher gave me!
A. How B. What C. What a D. How a
They went out for a walk at night, _______ ?
A. didn’t they B. did they
C. were they D. weren’t they
