Miss Chang plans to drop by her uncle when she reaches Beijing.

Sam_______ some knowledge of the computer just bywatching others working on it..

34. —I heard you almost missed the train.—Yes. I got to the railway station with only five minutes to_______.

Some people hold the view that the new machine isadvanced, while others are still skeptical _____ whether it is of practicaluse.

Diana, ____ your thoughts on this problem in your own words please.