问题

When he was alive, the old scientist used to say that knowledge ＿＿from practice and he gained his experience by doing a lot of practical work

A:was coming
B:had come
C:comes
D:would come

正确答案是：

同类题型

Hello! Are you Mr Wang — _______

does your grandfather reading newspapers—About an hour every day.

In _____room, you can see a lot of things. But some of them are not _____.

John _____ knowledge of radio just by staying around the radio station.

n’t the first time I ________ at home,” he saidfrankly