_____ cold weather, the workers are still working at the working site.
| A．In spite of | B．Instead of | C．Because of | D．As a result of |
When she woke up, she realized that the things she had dreamt about could not ____ have happened.
| A．possibly | B．likely | C．certainly | D．usually |
Our house is on the top of the hill, and in winter the winds __ be pretty cold.
| A．must | B．ought to | C．can | D．need |
--How long will you stay there?
---_____.
| A．Two and half weeks | B．Two and a half week |
| C．Two weeks and a half | D．A half and two week |
---I hear you’ve got a set of valuable Australian coins, __ I have a look?
---Yes, certainly.
| A．Do | B．May | C．Shall | D．should |
You’ll have to spend ____ writing your report here.
| A．one day or two days | B．one day or two | C．a day or to | D．two days or one |