70 percent of the students here____from the countryside.A is B are C comes D has comeYour trousers____dirty,Your must have ____washed.A is,it B are,it C are,them D is,themThe rest of the magazines____within half an hour.A is sold out B are sold out C was sold out D were sold outBill Cliton took____office on January 20th,1993,and became____42nd US President.A an,the B /,the C /,/ D the,the
问题描述：
70 percent of the students here____from the countryside.
A is B are C comes D has come
Your trousers____dirty,Your must have ____washed.
A is,it B are,it C are,them D is,them
The rest of the magazines____within half an hour.
A is sold out B are sold out C was sold out D were sold out
Bill Cliton took____office on January 20th,1993,and became____42nd US President.
A an,the B /,the C /,/ D the,the
答
b,
a,
b,
b
答
第三个应该选D 剩下的杂志在半个小时内就卖完了。 1）、一般来说剩下的杂志不可能是一本，一般都是几本，所以应该用复数 2）、分析语境，可以得知这个事情是在过去发生的，所以应该用过去式
答
B 学生是复数的
C trousers是复数 后面要说明整体 还是复数
A放这的杂志是一个整体 用单数
B office不是特定不用加东西 42届的 是特定的 要加the
答
b
c
c