Question

问几道英语题。。。每道都要有解释。谢谢

1.the girl is badly ill.A doctor____as soon as possible
A.must be sent for B.must be sent to C.must be sent D.must send
2.______useful subject English is!
A.what an B.How C.what a D.what
3.Tom is deeply loved by us,because she always makes us _____in his subject
A.interesting B.interests C.interested D.interest
4.shall we go on our trip this weekend?
of course.unless it _____
A.will rain B.doesn't rain C.will be rainy D.rains

Answer 1

1 A
send for 派人去请……，根据句意要用被动语态。

2 C
名词前有形容词用WHAT ，排除B， 而SUBJECT是可数名词，再排除D， USEFUL 是辅音/j/ 开头，用a，再排除A

3 D
固定用法‘ MAKE SB DO STH 让某人做某事’
注；A与C是形容词

4 D 除非下雨。
详细答语是： We will / shall go on our trip this weekend unless it rains .

UNLESS 引导的从句，从句的一般将来时用一般现在时代替‘

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Answer 2

1 B send to sb
2 C 感叹句 what+a/an+形容词+名词+be动词 useful用a
3 C be interested in
4 A 一般将来式
答应应该都是对的吧 好多知识忘记了 解释大概是这个意思

Answer 3

1：A，send for 召唤，医生被召唤来，用be+过去完成时表示被动。
2：A，固定用法，表强调，用a不用an是因为useful不是元音发音开头。
3：C，sb interested in 感兴趣。
4：D，除非下雨，用现在时，AC排除，用B的话应该是，if it doesn't rain，unless=if not除非。