In our school ________ students can search the Internet for useful information now.

______was your trip to Mount Emei, Alice?一 It was great! We-really had a good time there.

He knew the problem was serious and promised to look into it _____ he reached office.

Unless it ______, we’ll visit Hangzhou Wild Animal Park this weekend.

Though he didn’t ________an important position, he got along very well with almost everybody and was trusted by most of his leaders.