68. Mind you. Don’t bump your head on the low________when you go upstairs for sleep.
| A．top | B．tip | C．bottom | D．Ceiling |
The meeting ______ tomorrow afternoon is about _______ rid of pollution.
| A．held, to get | B．to be held; getting |
| C．to hold; to get | D．being held; getting |
Children in China today have nothing ______.
| A．to worry | B．worried | C．to worry about | D．worrying about |
The blind man _____ the elephant’s trunk. It ______ like a snake.
| A．felt ; was feeling | B．felt ; felt |
| C．was feeling; felt | D．was feeling; was feeling |
If the south had won the war, what is now the United States _____ divided into several countries.
| A．will be | B．might have been | C．should be | D．must have been |
If my lawyer ______ here last Saturday, he ______ me from going.
| A．had been; would have prevented | B．had been; would prevent |
| C．were; would prevent | D．were; would have prevented |