Question

麻烦给出正确答案，并解释一下，谢谢

麻烦给出正确答案，再加以解释，谢谢！
（ ）1.We’ll go swimming if the weather______fine tomorrow.
A. is B.was C. will be D.is going to be
（ ）2.You must study hard if you______ want to fail the exam.
A. won’t B. don’t C. haven’t D. hadn’t

（ ）3. —I’m afraid you can’t sit here . —Sorry , I______know.
A. don’t B. won’t C. can’t D. didn’t
（ ）4. —Jim is not coming tonight . —But he______ !
A. promises（许诺） B. promised C. will promise D. had promised
（ ）5.He often______his clothes on Sundays.
A. washing B. washes C. has washed D. wash
（ ）6.I’m Chinese. Where______from?
A. do you come B. you are coming C. you come D. are you coming
（ ）7.How long ago______playing football?
A. have you stopped B. had you stopped C. did you stop D. do you stop
（ ）8. Don’t talk so loudly . Your father______.
A. sleeps B. is sleeping C. slept D. had slept

（ ）9.How many people does the doctor know who______of the disease (疾病)？
（ ）10.Maths, one of the most important subjects, ______always interested him.
A. has B. have C. are D. is

（ ）11.—Did your brother go to America last year? —______.
A. No , he did never go there B. No , he has never gone here
C. No , he never was there D. No , he’s never been there
（ ）12.Last week John______his leg.
A. felt and broken B. fell and broke C. feels and breaks D. fallen and broken

（ ）13.Jack______his thick coat because it was snowing.
A. puts on B. put on C. takes on D. took on

（ ）14.He______the picture on the wall.
A. hanged B. hung C. has hanged D. was hanged
（ ）15. By the end of last term we______English for two years.
A. have studied B. have been studied C. would studied D. had studied
（ ）16.When we arrived , the dinner______.
A. already began B. has already begun C. had already begun D. was just begun
（ ）17.I will go home for the holiday as soon as I______ my exams.
A. will finish B. finish C. finishing D. finished

Answer 1

1.C 将来顷侍进行式
2.A （同上）
3.A 首先排败扒除B、C，然雀枯吵后根据题意即得出答案A
4.D had过去进行式，承诺只有是先说出，说好的
5.B 复数形式，表多次
6.D 语法是这样
7.B 解释不出
8.B 现在进行时
9.？ （没选项啊）
10.B
11.B
12.C 复数形式
13.C
14.D
15.D
16.B
17.D 过去式