We have to get to the bus station _______ 8 o’clock, or we’ll be late.[ ]

The famouse writer Lin Qingxuan ______to come to our school to give a speech again.

Shall we go and ______ hello to the old man?—Good idea! Let’s go.

_____do you send an e-mail to your cousin? —Sometimes. [ ]

Are you good ______ playing computer games? —I’m afraid not. [ ]