1. The leaders from six countries are discussing whether it is necessary to ______ a special committee to deal with the worldwide terror attack.
A. put up
B. set up
C. build up
D. found up
2. ______ and you will be in hell; Keep up and you will be in paradise.
A. Lose heart
B. Lose your heart
C. Losing heart
D. Losing your heat
3. By the end of April, Peter _______ here for three months.
A. will have stayed
B. will stay
C. stays
D. has stayed
4. When they awoke the next morning, they were surprised to find a _______ of fog floating in the air.
A. cover
B. blanket
C. piece
D. mixture
5. I have two boys but _______ of them likes sweets.
A. both
B. neither
C. either
D. none