【单选题】
I have lost my white hat. I______ it somewhere.
①
must be dropping
②
must have dropped
③
must have been dropped
④
must drop
【单选题】
I ___ go to bed until I ___ finished my work last night.
①
don’t; had
②
didn’t; have
③
didn’t; had
④
don’t; have
【单选题】
I haven’t finished my composition . I ________ for two hours and a half.
①
have written it
②
have been writing it
③
wrote it
④
am writing it
【单选题】
给出下面代码段, 哪行将引起一个编译时错误？（ ）
1) public class Test {
2) int n = 0;
3) int m = 0;
4) public Test(int a) { m=a; }
5) public static void main(String arg[]) {
6) Test t1,t2;
7) int j,k;
8) j=3; k=5;
9) t1=new Test();
10) t2=new Test(k);
11) }
12) }
①
行1
②
行4
③
行6
④
行9
【单选题】
13. Where is my pen? I ______ it.
①
might lose
②
would have lost
③
should have lost
④
must have lost
【单选题】
I was stunned by the news, and my initial __________ was anger.
①
impression
②
reaction
③
comment
④
other