As many as five courses are provided, and you are free to choose ______ suits you best.

Barrack Obama’s recent visit to the Asian nations clearly sent a message to the world _____ Asia is important in America’s global partnership.

The world is full of wonders, _____ we open our eyes to see them．
A． if only        B． as if     C even if       D． only if

______is expected, according to the online survey, is that house prices will not go up any more.

______ more and more people may refer to the Internet for up-to-minute news, the newspaper will not disappear.

It doesn’t matter _________you turn right or left at the crossing ---both roads lead to the park.

The dog may be a good companion for the old. _______, the need to take it for walks may be a disadvantage.

We wouldn’t go abroad for our vacation _______ we could afford it.

__________ she couldn’t understand was_________more and more students showed little interest in their lessons.

Maria looked around on the playground _______ looking for something.