The maths teacher gave the books to all the students except____ who had already taken them.
| A．ones | B．some | C．the ones | D．the others |
______ with severe drought in some areas, Chinese government is taking active measures to ensure people’s essential needs.
| A．Facing | B．Faced | C．To face | D．Being faced |
That is the man ____ house the police found the lost computer last week.
| A．in whose | B．in what | C．in that | D．in which |
He found that complex problems, especially those _____ abstract thinking, were best for picking out bright and dull students.
| A．involve | B．involved | C．involving | D．being involved |
. Don’t promise anything _____ you are one hundred percent sure.
| A．if | B．after | C．in case | D．unless |
You _____ tell him. He is fully aware of the danger.
| A．mustn’t | B．don’t need | C．needn’t | D．can’t |