A. 不填; the
B. a; the
C. the; a
D. 不填,; a
A. you'd better not
B. I'm afraid not
C. as you wish
D. that's all right
A. Give me a hand.
B. Take it easy.
C. Congratulations!
D. Take care!
A. gives up
B. gives away
C. gives off
D. gives in