Mr White, along with his assistants, _______ on the project day and night to meet the deadline.
| A．work |
| B．working |
| C．is working |
| D．are working |
______ the books, he realized they were far from enough and told some of us to share.
| A．Having counted | B．Counts |
| C．To have counted | D．Counted |
Gary was behaving as if nothing _______.
| A．happened | B．has happened |
| C．had happened | D．will happen |
Father _____ our washing machine the whole morning. He must get it done before lunch.
| A．has repaired | B．repairs |
| C．will repair | D．has been repairing |
----- Did you buy the dictionary?
---- No. My lost dictionary was found, so I ________ a new one.
| A．didn’t need to buy | B．needn’t have bought |
| C．shouldn’t have bought | D．mustn’t have bought |
I walked as fast as I could, ________to catch the 930 train.
| A．hoping | B．to hope | C．hope | D．hoped |