Experts warn that medical waste from hospitals, if properly, may contribute to spreading diseases．
| A．not handled | B．not being handled |
| C．not to be handled | D．not having been handled |
The accident happened ________ a cold winter morning.
| A．in | B．at | C．of | D．on |
—________ fine weather it is today!
—Let's go for a picnic.
| A．What | B．How | C．What a | D．How a |
He doesn't like apples.I don't like them, ________.
| A．too | B．also | C．so | D．either |
I will stay at home and read some books if it ________ tomorrow.
| A．rain | B．will rain | C．rains | D．is going to rain |
—Who is ________ English teacher?
—Well, it's Mrs.Green.She teaches ________ English very well.
| A．you; we | B．you; ours | C．your; us | D．your; our |