While he was ______ about in the street, Mary came up to him.
| A．wandering | B．wondering | C．wondered | D．wandered |
I __________ my guest off at the station tomorrow.
| A．am seeing | B．see | C．saw | D．have seen |
They __________ to work until they get a rise.
| A．were not going back |
| B．are going back |
| C．are to go back |
| D．are not going back |
Ladies and gentlemen, please fasten your seat belts. The plane __________.
| A．takes off |
| B．is taking off |
| C．has taken off |
| D．took off |
I've won a holiday for two weeks to Florida. I __________ my mum.
| A．am taking |
| B．have taken |
| C．will have taken |
| D．take |
Though __________ experience, he soon got a higherpay by working hard.
| A．lacked | B．lacking of | C．lacking | D．lacked in |