楼主您好,答案+选择题解析如下：
1．It seldom [rains ](rain) here in spring. But it [is raining](rain) now.
2．Yesterday he [went] (go) to the cinema himself.
3．He [hasn't finished](finish) his homework yet.
4．Where is John? I [haven't seen] (not,see) him for a long time.
5．I [was]（be）reading when he came to see me.
6．Someone [is talking](talk) with him in the classroom now.
7．Don’t worry,I [will be] (be) back soon.
8．The children [go] (go) to school at seven every morning.
9．He [will come](come) to see you the day after tomorrow.
选择：
1.B with all our hearts 全心全意
2.A the answer to the question 问题的答案,固定搭配
3.C at the rate of 以……的速度
4.B University不是元音字母开头的,不要用an
5.C 要用物主代词hers,表示“她的”
6.A weather 表天气,不可数
7.B Don't开头的祈使句.
8.B
9.C
10.A 十点差25分,即9:35
11.A
12.B 肯定句用some 否定和疑问用any
13.B must的反义疑问是 needn't
14.A 上完中学“之后”,才上的大学,所以选after.
15.C 如果他现在用跑的,他过会儿可以准时到.
16.C water不可数 ,a little 修饰不可数= a bit of
17.A 问的是“今天几号?”
18.C 否定句用any,肯定句some
19.A niece 是侄女的意思,所以是“她”
20.A because表示“因为”,for 表示因为的时候,不可以引导从句.
希望能帮到你,祝更上一层楼,还有问题可以Hi我O(∩_∩)O