If you see Jack please give my __________ to him for not having written to him.
| A．apology | B．excuse | C．message | D．theory |
----Will you go home tomorrow evening?
----No, I’m going to a lecture, or at least I’ m planning _________.
| A．to | B．so | C．that | D．it |
My parents have promised to come to see me before I _________ for Africa.
| A．have left | B．leave | C．left | D．will leave |
Charles Babbage is generally considered to _______ the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
----I have got a headache.
---- No wonder. You ________ in front of that computer too long.
| A．work | B．are working | C．worked | D．have been working |
The police ________ the lost child and tried to find his parents.
| A．took up | B．took in | C．took over | D．took after |