试题题干
Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
We all know that
is the first requirement for learning. (concentrate)
参考答案
试题解析
concentration, 从句中is前面缺主语，用名词形式。
Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
We all know that is the first requirement for learning. (concentrate)
concentration, 从句中is前面缺主语，用名词形式。