People should not cross the street ______ the traffic lights turned green.A. when B. until C. after
---Hello, may I speak to Mary please? --- __________.
---Would you like______ to drink? ---Yes, please.
The shoes in the box _____ too big. Would you please show me _______?
Your garden is _______ beautiful flowers.
He can _________ in English because he can ______ very few English words.