—Hi，Joan.Any idea where Tom is?
—He ________ on the playground.I saw him there playing football just now.
| A．shall be | B．should have been |
| C．must be | D．might have been |
The patient was warned _______ oily food after the operation.
| A．to eat not | B．eating not | C．not to eat | D．not eating |
The monitor wanted to buy two_______ stamps, but the salesgirl only sold him_______ these stamps.
| A．scores of; dozens of | B．scores; dozen of |
| C．score of; dozen of | D．score of; dozen |
I spent most of my money in the first week and________ had very little to eat by the end of the holiday.
| A．besides | B．however | C．consequently | D．frequently |
He gets fifty thousand pounds a year ______I get twenty million, which makes me upset.
| A．since | B．while | C．when | D．as |
Mrs Smith warned her daughter ________ after drinking.
| A．never to drive | B．to never drive | C．never driving | D．never drive |