The water changes into thick ice covering river and lakes in winter in Harbin.

A. she did so B. so she did C. so did she D. she did such

A.So would my grandpa B. So wouldn’t my grandpa

B.Neither would my grandpa D. Nor wouldn’t my grandpa

A. Then did I know B. Only then I knew C. Only then did I know D. Only then knew I

A. If she came B. Would she come C. Had she come D. Did she come

A. There goes the bell B. There goes the bell go

C. There the bell goes D. Goes the bell there

A.a little did he hear B. little did he hear C. little heard he D. a little heard he

A. are, are B. are, is C. is, is D, is, are

A. has, have B. have, have C. has, has D. have, has

A. is, are B. are, are C. is, is D. are, is

A. become B. has become C. becomes D. is becoming