Mom，don’t you think it's OK to play once in a while ____________ it doesn’t affect my studies?

_______ children get older, they become more and more interested in everything.

There is little chance that we will succeed in changing the law. ______, it is important that we should have a try.

Mr. Smith wanted to buy the house and he told me that ____the house cost，it would be worth it.

Price continued to rise ______ pay was still low, with the result ______ the government became increasingly unpopular.