一Why is John so poor at his lessons?
一He never studies        ，he plays computer games all day

The passenger was very impolite to the conductor,       , of course, made things even
worse.

surprised me most was that they had finished the talk so quickly.

________ hard he tried, he could not change his wife’s mind.

Read the passage a second time, ___________ the meaning won’t become clearer to you.

____ you ask many different questions will you acquire all the information you need to know．

It was in the beautiful park____was located by the sea____we first met our new Chinese teacher．

Well, you can buy $20 tickets or 30 $ tickets, ______ you prefer．

I’m told that languagepractising．com is a free website ______learners can not just learn
various languages but also chat online．

We were reading _______ the lights were out.