Zheng says that the most dangerous thing about a credit card is____ a person isn’t always aware of the fact____ he’s spending money.
| A．that; that | B．what; that | C．that; what | D．what; which |
New medicines and instruments ______ every day to extend life.
| A．develop | B．are being developed |
| C．are developing | D．have developed |
A red sky in the morning ______ to be a sign of bad weather.
| A．says | B．is saying |
| C．has said | D．is said |
Hundreds of jobs _______ if the factory closes.
| A．lose | B．will be lost |
| C．are lost | D．will lose |
“Look！ Everything here is under construction.” “What is the small building that ______for？”
| A．is being building | B．has been built |
| C．is built | D．is being built |
He kept a little notebook, in which ______ the names and addresses of his friends.
| A．wrote | B．was writing |
| C．was written | D．were written |