The aircraft vanished without（）

Inquiries（）the condition of the patients may be made personally or by telephone.

（）students often find it difficult to live in China at first.

The weakening housing market continued to take its（）on the industry.

Shall we request the chairman（）our suggestion again?

He never（）to read the news but turned at once to the crossword puzzle on the last page.

I was（）than angry when I saw how they'd ruined the landscape.

Mr. Edward was not in, so his brother acted as （）at the party.

The student's first attempt at writing a play was a far（）from the work of Shakespeare.

An explosion is a sudden increase in amount（）