You can’t imagine ________ chatting online is!
| A．how a great fun | B．how great fun |
| C．what a great fun | D．what great fun |
He took a plane _____ he would get home early .
| A．so | B．so that | C．that | D．such that |
We are not sure if it _____ tomorrow . If it _____, we won’t go hiking .
| A．rains ; rains |
| B．will rain; will rain |
| C．will rain ; rains |
| D．rains ; will rain |
Some of my friends are interested in science, but none of them can tell ________.
| A．when UFOs appeared next time |
| B．that horses know the way or not |
| C．where was this kind of plant found |
| D．how elephants communicate |
______ your English teacher ______ you ?
| A．Do, strict in |
| B．Does, strict with |
| C．Is, strict with |
| D．Is strict in |
They were talking about the persons and things _______ they saw in the factory.
| A．which | B．that |
| C．what | D．they |