【正文】 can grow plants on Mars. We?re not sure whether this has made him some enemies. We suppose that the victim knew his attackers. (9A, unit 6) I often doubt whether it is worth working so hard. (9A, unit 3) You can ask him if/whether he?ll lend you some money. She doesn?t know whether to answer it or not. Can you tell us if/whether it snows in winter in Australia? Object clauses introduced by ?if? or ?whether? We can use “if” or “whether” to introduce an object clause when it expresses a “yes/no” question. In that case, we often use the same word order as in a statement. Does he live in that house? ( She asked me ) Have you finished your homework? ( I want to know) She asked me if/whether he lived in this house. I want to know if you have finished your homework. Daniel’s questions C1 Use if or whether to make object clauses. 1. Are you certain if/whether transport on Mars will be much better than on Earth? 2. Can you tell me if/whether gravity is a problem for the early settlers on Mars? 3. Do you know if/whether it takes very long to travel from Earth to Mars? 4. Can you tell me if/whether many people are going to move to Mars? 5. Do you know if/whether the USA sent a space robot onto Mars last year? 賓語從句在句子中作及物動(dòng)詞或介詞的賓語 ,從句放在主句之后 ,前后不用逗號分開。 Complete the diary. C2 Dear Diary Do you believe ______ man will be able to live on the pla Mars in the future? Scientists are working hard to make this dream e true. However, they are still not sure ___________ we could grow plants on Mars. Also, many scientists that if/whether think ____ gravity is a problem for the first settlers. They all agree _____ the journey to Mars will not be fortable. Therefore, I am wondering __________ there will be many people willing to move to Mars. that that if/whether 1. Can you tell the differences between ?can?, ?could?, ?may? and ?might?? 2. How to form object clauses introduced by ?that? or ?if/whether?? 請點(diǎn)擊Word圖標(biāo) I. Multiple choice. 1. — ________I borrow these magazines ? — Sorry, only the magazines over there can be borrowed. A. Must B. Would C. May D. Need 2. — May I smoke here, sir ? — I?m afraid you is a non smoking area. A. can