The journey around the world took the old sailor nine months, _______ the sailing time was 226 days.

　 A. of which B. during which C. from which 　 D. for which

Do you think_____ I should take part in the competition?

　 A. when　　　　　 B. why　　　 C. where　　　　 D. that

It is a big______（挑戰(zhàn)）for me to do the job.

______, your composition is full of mistakes.

A.Writing carelessly 　　　　 B.Written carelessly

C.Having written carelessly　 D.Being written carelessly

10,000 dollars is a large sum of money，but it is still ______than we need for a new house

A．very few　 　 B．very little　 　 C．far fewer 　　　 D．far less

John _____ knowledge of radio just by staying around the radio station.

　　A. caught on 　　　B. worked up　　 C. took up　　 D. picked up

With your ability，you　　 out the puzzle within a few minutes．

A. could have worked　　　　　 B．need have worked

C.ought have worked　　　 D．must have worked

We had_____really cold February this year　

－I can’t remember__________ spring when it snowed in Changzhou .

A. a;不填　　　 B. 不填;the　 　 C. the; a　　 　 D. a; a

—How can we spend the night in such a small room?

　　—What about the four of us ____ cards the whole night?

　　A. shall play B. playing C. play D. to play