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A. is taking a walk B. take walk

C. takes walks D. takes a walk

—— .

A. Never mind B. You are welcome

C. No, thanks D. It doesn't matter

A. I’d love to B. I’m sorry , I can’t

C. OK D. Oh, no

A. in B. at

C. on D. /

---She walks to the bus stop, then takes the bus.

A. How far B. How long

C. How often D. How

—Lack of self-confidence is his______, I am afraid.

A. Achilles’ heel B. child’s play

C. green fingers D. last straw

A. gain admission to B. keep track of

C. take advantage of D. give rise to

A. arriving B. has arrived

C. is arriving D. arrived

A. has not rained B. is not raining

C. won't rain D. is not going to rain

A. don't ... are B. don't ... were

C. didn't ... are D. didn't ... were