Have been translated, are calculated

A) to be dangerous B) being dangerous

C) be dangerous D) to being dangerous

25. Choose the answer which accurately completes the sentence below.

Tony seemed too worried. He . . . some problems.

A) should have had B) could have had

C) must have had D) might have 26. Choose the answer which accurately completes the sentence below.

You clothes need . . . .

A) cleaning B) to clean

C) cleaned D) clean

27. Choose the answer which accurately completes the sentence below.

I am leaving earlier today . . . I can have something on the way.

A) lest B) so that

C) in case D) so as to

28. Choose the answer which accurately completes the sentence below.

You don’t have to go into details. I know . . . you mean.

A) how B) what

C) which D) that

Choose the answers which accurately complete the sentences below.

I have no idea about what (29) . . . about this problem due to (30) . . . we had better ask Tom for a favor.

29. A) doing B) do