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 |
There is a _________ of 1000 dollars for the return
| A．reward | B．prize | C．thank | D．prsise |
Isn't it very kind __________ your parents to do that for us?
A. for B to C. about D. of
I caught the last bus from town, but Harry came home___________ that night.
| A．very late | B．even later | C．the same late | D．the last one |
We will take________ wants to go there for a sight - seeing.
| A．whoever | B．who | C．anybody | D．all that |
—May I have another chocolate?
—Yes, of course.___________.
| A．Take it yourself | B．Eat it, please |
| C．Help yourself | D．Have it yourself |