--- Whose book is this ?---It _____ Tom’s . There is his name on it .A. can’t be B. must be C. can be
In China when the traffic light is red, you ________ cross the road.
Bring a map of China because you _______ want to travel around.
What ______ at seven yesterday morning?
My teacher is an interesting man, his words made everyone _________.
Tom’s mother asked him _________ some washing after dinner.