I don’t know whether he is still （ ） in collecting coins. He used to be, but that was several years ago.

Yon don’t have the right to blame me _____ being late， for I was busy typing your business invitations.

My mother asked me where _____ the key.

These university students are looking for a cheap hotel （ ）.

The department head insisted that he _____ absolute authority to regulate office work.

Whenever we planned our vacations， mother could always offer some _____ suggestions.

The football player is hoping to（ ）to another team soon．

Do what you think is right, （ ）they say.

_____ with the developed countries, some African countries are left far behind in terms of people’s living standards.

_____ dictionary is enough for me.

Advertising is distinguished from other forms of communication （ ） the advertiser pays for the message to be delivered.

Take your time and think the matter over before you _____ a conclusion.