--- Smoking is bad for your health. ---Yes, I know. But I simply can’t ___.
Mr Wang devoted all his time to_______ his spoken English before going abroad.
We must speak English __________ in order to improve our oral English.
She is an excellent student in our class, and she always ________ herself in her studies.
Mr Black ________ Shanghai in a few days. Do you know when the earliest plane________on Sunday?
When Spielberg was twelve, he made his first film ________ he used real actors instead of toys.