To finish the work in such a short time, all of us ________ like crazy day and night.
| A．are supposed to work | B．suppose to work |
| C．suppose to working | D．are supposed to working |
A library with five thousand books ______ to the nation as a gift.
| A．is offered | B．has offered | C．are offered | D．have offered |
The teacher，with 6 girls and 8 boys of her class, __________ visiting a museum when the earthquakes truck.
| A．was | B．were | C．had been | D．would be |
Professor Smith，along with his assistants，___________ on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
_______you’ve got a chance, you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |
The way ______he looks at problems is wrong.
| A．which | B．whose | C．what | D．/ |