Your English teacher looks very young; He _____ be over 30.
— It is very cold these days. — ______.
So badly ______ in the car accident that he had to stay in hospital for several months.
You’d better take some money with you, ______ you need it.
I can think of many cases ______ students can’t write a good article though having a large vocabulary.
______ catch the early bus, John got up early today.