问题

__ advertisements are of great help, I don’tthink we should entirely rely on them.

A:Because
B:Since
C:Once
D:While

正确答案是：

同类题型

When the peace talk failedThere was a fear that war may____________ at anytime

Nathalie suggested the problem worth paying attention ______ at the meeting.

How do you find my hometown?— .

All 5 children of the Blacks, _______ are now working abroad, will come back for their parents’ 50th wedding anniversary.

Please tell me ________.