说明理由 1.Studies show that daydreaming contributes significant

1. Studies show that daydreaming contributes significantry to concentration powers and the ability ______ with others.
A.communicating B. to be communicated C. to communicate D. to communicating


答案:C
解析：
the ability to communicate with others 和他人交流的能力
句型：the ability to do sth 做某事的能力


2. Each means ______ to solve the problem,but none is effective.
A. has been tried out B. have been tried out
C. will be tried out D. are tried out


答案：A
解析：
each means 每一种方法 each的谓语动词 采用单数第三人称的形式

3. Only when ______ possible to settle the problem among the boy students.
A. does the class teacher come will it be
B. the class teacher comes will it be
C. has the class teacher come it will be
D. the class teacher comes it will be


答案：B
解析：
only 位于句首 主句要倒装 从句则不需要

1.c to do表示目的性
2.a 有each 对应的谓语用单数
3.b only句首主句要倒装，从句不需要
哪题不明白，详细说

AAB
答案对吗？对我再讲解析 省的误导