. All substances, ___ solids, liquids or gases, are made up of entirely atoms.

A. whether they    B. whether        C. whether are they      D. whether are

. I am looking through the composition he just finished ___ the possible mistakes in it.

A. correcting    B. to correct                C. corrected         D. correct

___ other good students, in my opinion, Tom is _____ student.

A. Compared with; a most satisfied   B. Compared to; the most satisfied

C. Comparing to; the most satisfying  D. Compared with; a more satisfying

____ modeling business is by no means easy to get into, the good model will always be in demand.

A. While               B. Since                C. As                    D. If

Peasants earn their living by selling agriculture ____ in China.

A. food                 B. produce             C. production             D. cost

What surprised me was not what he said but ____ he said it.

A. the way             B. in the way that   C. in the way         D. the way which

Shops should ____ open till late in the evening.

A. be remained          B. remain              C. leave                 D. keeps

Not until ____ finished my homework ___ to watch TV.

A. I had; I began    B. had I; I began  C. I had; did I begin       D. had I; did I begin

If the building project __ by the end of this month is delayed, the construction company ___ fined.

  A. will be completed; is to be       B. to be completed; will be

  C. being completed; will be        D. completed; was

You can’t imagine what difficulty I took _____ your home.

  A. find   B. to find   C. finding  D. found