You’d better not phone me between two and six o’clock this afternoon; I ___ a speech then.
With the entrance examination _____ up, our classmates work harder and harder.
Just call me whenever you are in trouble ______ I’ll come to help you immediately. A. but B so C. or D. and
---I’m making ___ progress with the help of my teachers. --- Great! I hope you can go to ____ college next year.
SARS is an illness that can result in death unless left in time.
The child walked quietly to the bird, into the forest when he was about to catch it.