There are _______ foreign students in the class. Two are from the UK, three are from Australia and the other six are from Canada.
Sir, you should ________ at the red light, but you didn’t.
He hurried to the railway station for the last train but didn’t it.
The flight to Guangzhou had to be because of the heavy snow.
-Sandy is upset now. Why don’t we ? -That’s a good idea.
You stand in line while waiting for the bus.