He______ on this paper for ten minutes but he______only about sixty words.
| A．will have worked, has written | B．worked, has written |
| C．has been working, has written | D．will be working, works |
Scientists are trying to develop a special material, _______ they will make use of in space.
| A．it | B．that | C．what | D．one |
The education of _______young is always _______ hot and serious topic in modern society.
| A．the; / | B．a; the | C．/; the | D．the; a |
She insisted that she ______ not guilty , but we insisted that she ____ into prison
| A．was; be put | B．be ; was put |
| C．should be; was put | D．was; should put |
I found her nice and honest ____ I saw her．
| A．for the first time | B．the first time |
| C．on the first time | D．at first |
I have ______ my husband again and again not to smoke , but I can’t ______ him．
A．persuaded, a dvise |
B．advised, persuade |
| C．suggested, persuade | D．suggested, advise |