Li Lei has not yet answered my question______I can go with him to________he calls the Natural Underground Gallery next week.
| A．that; which | B．whether; what | C．whether; that | D．that; where |
All the universities have duty to _______ their students ____of the quick development of the scientific world.
| A．make; known | B．have; understood |
| C．keep; informed | D．find; included |
I _______ spend the Saturday afternoon with my old friends in the zoo, but they did not come.
| A．was going | B．was to | C．will | D．was about to |
Reading books is very important for developing the students’ understanding of the world, ____?
| A．is it | B．are they | C．isn’t it | D．aren’t they |
Heating the news that my father was ill，I was so worried that I couldn’ton anything．
| A．count | B．consider | C．contain | D．concentrate |
The reason ______ he gave for not coming was ______ his mother wouldn’t allow him to.
| A．why ; that | B．for which ; that | C．why ; because | D．which; that |