It is usually warm in my hometown in April, but it ________ be rather cold sometimes.

 –Dad, _____ we wait until the light becomes green?--Yes, we ______ . That’s the traffic rule.

— The Queshi greenway has become a popular place for Shantou people on the weekends. — That’s right. And you ________ drive your car on it because it is a path for cycling and walking. 

_____ you tell me how to use this digital dictionary?

He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.