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

Since we can't hear you at the back of the hall, you'll have to（）your voice.

Shall we request the chairman（）our suggestion again?

I don't know who on（）stole the diamond last night.

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

I tried very hard to persuade him to join our group but I met with a flat（）

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 aircraft vanished without（）

An explosion is a sudden increase in amount（）