Without the contribution of Qian Xuesen, China __________ such great achievements in space technology.
| A．wouldn't make |
| B．can't make |
| C．shouldn't have made |
| D．wouldn't have made |
One and a half bananas ____ left on the table.
| A．is | B．are | C．has | D．have |
This pair of trouseis ____ too long for him.
| A．is | B．be | C．are | D．were |
Your trousers____ dirty.You must have____ washed.
| A．is;il | B．are;it | C．are;them | D．is;them |
The police ____ the murderer everywhere when he suddenly appeared in a theatre.
| A．is searching for | B．were searching for |
| C．are searching for | D．were searching |
"All____ present and all____ going on well," our monitor said.
| A．is;is | B．are;are | C．are;is | D．is;are |