To improve your oral English, everyone in the class is supposed to ____ actively in these discussions.
| A．participate |
| B．attend |
| C．enter |
| D．take |
His whole school education _____ only 2 years because of his illness.
| A．added up | B．added up to | C．added to | D．was added up to |
The shop _____ until 7 o’clock.
| A．stayed opened | B．continues open | C．stays open | D．continues opened |
Tonny’s parents thought he was at school, but ______ he was in an Internet bar.
| A．actually | B．at present | C．especially | D．fortunately |
The boy asked his mother _______ go out to relax himself or not.
| A．whether could he | B．if he could | C．that he could | D．whether he could |
________ from space, the earth is blue.
| A．When seeing | B．When see | C．When we see it | D．When to see |