—Be careful not to drop the Ming Dynasty vase.

—Yes, we can’t be ________.

A. too careful   B. very careful C. too careless         D. careless enough

The teacher asked us _______ so much noise.

A. don’t make           B. not make     C. not making           D. not to make

      a little money , Jane was able to buy her mother a lovely new watch .

   A. To save                  B. Saving                 C. Saved                  D. Having saved 

The Science Museum, ______we visited during a recent trip to Britain, is one of London’s attractions.

A. which      B. what    C. that    D. where

The boy wanted to ride his bicycle in the street, but his mother told him _______.

A. not to            B. not to do               C. not do it       D. do not do

In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.

A. ins and outs          B. dos and don’ts    C. heads and tails         D. t’s and i’s

 _____ is known to everybody, the moon travels round the earth once every month.

A. It    B. As        C. That       D. What

That is not the way ______I do it.

A./   B.which    C.for which    D.with which

It there anyone in your class ______family is in the country?

A. who B. who's C. which D. whose

—What do you think of our plan?

—It will certainly ______; it is a great idea.

A. turn into      B. pay back       C. pay for      D. pay off