—Have you finished reading The Adventures of Tom Sawyer?
—No, I my diploma paper all day yesterday.
| A．write | B．had written |
| C．was writing | D．would write |
The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries
| A．as | B．that | C．so | D．it |
--Thank you very much.
--Not at all , I was____________ glad to help.
| A．too | B．only too | C．not so | D．much |
I would have come to see you earlier, but I__________too busy.
| A．had been | B．were | C．was | D．would be |
With summer coming on, the weather gets hot _________.
| A．day after day | B．day and night |
| C．day in and day out | D．day by day |
In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.
| A．lie | B．are lying | C．lies | D．lays |