帮我解几道英语单选题1.-----Do you have to take care of your mother at home?----Yes.I______ A.do B.have to 为什么不是A,而是B?2.I shall______help him as much as possible.A.must B.have to 答案为什么是B?我感觉A也对.3.When a fr
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![帮我解几道英语单选题1.-----Do you have to take care of your mother at home?----Yes.I______ A.do B.have to 为什么不是A,而是B?2.I shall______help him as much as possible.A.must B.have to 答案为什么是B?我感觉A也对.3.When a fr](/uploads/image/z/5893428-12-8.jpg?t=%E5%B8%AE%E6%88%91%E8%A7%A3%E5%87%A0%E9%81%93%E8%8B%B1%E8%AF%AD%E5%8D%95%E9%80%89%E9%A2%981.-----Do+you+have+to+take+care+of+your+mother+at+home%3F----Yes.I______+A.do+B.have+to+%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E6%98%AFA%2C%E8%80%8C%E6%98%AFB%3F2.I+shall______help+him+as+much+as+possible.A.must+B.have+to+%E7%AD%94%E6%A1%88%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AFB%3F%E6%88%91%E6%84%9F%E8%A7%89A%E4%B9%9F%E5%AF%B9.3.When+a+fr)
帮我解几道英语单选题1.-----Do you have to take care of your mother at home?----Yes.I______ A.do B.have to 为什么不是A,而是B?2.I shall______help him as much as possible.A.must B.have to 答案为什么是B?我感觉A也对.3.When a fr
帮我解几道英语单选题
1.-----Do you have to take care of your mother at home?
----Yes.I______
A.do B.have to
为什么不是A,而是B?
2.I shall______help him as much as possible.
A.must B.have to
答案为什么是B?我感觉A也对.
3.When a friend gave Jim a ticket to the game,he_______go.
A.just have to B.can not but C.couldn't help D.couldn't help out
答案为什么是D?
4.------Professor Smith,some students want to see you.
______they wait outside or in your office?
----Show them into my office and tell them I'm coming.
A.Shall B.Do
为什么是A,而不是B呢?
5.———Wasthe test difficult?
------Not at all,we found________.
A.very easy to do it B.it very easy to do
为什么是A却不是B呢?it不应该是作形式宾语的吗?.
帮我解几道英语单选题1.-----Do you have to take care of your mother at home?----Yes.I______ A.do B.have to 为什么不是A,而是B?2.I shall______help him as much as possible.A.must B.have to 答案为什么是B?我感觉A也对.3.When a fr
1.have to相当于情态动词,如must
2.must是情态动词,shall也是,不能一起用
3.不知道
4.shall表示委婉的问,do太直接没有礼貌
5.要是B的话应该是it very easy to be done,被动语态