Let’s go climbing, shall we–You _______ be joking! Don’t you know I’m afraid of high places

What do you often do after supper—I often watch TV. but sometimes goout for a walk.

Did you find out the time of the train to Miami?—Yes, the early train is __________ to leave at 5: 30 am[ ]

The mobile phone has changed people’s life a lot ________ it was invented.

You won’t pass the exams you work hard.