--- ____ does her brother improve his English? --- He improves it____ asking the teacher for help. A. How; by B. What ; with C. Why; by
Everyone here _________ playing basketball.
The baby is sleeping. Please speak _________.
_________ people begin to learn Chinese in the world.
Do you expect _________ a good rest this weekend?
The book is boring. It is _________ the one I read last week.