In our class there are 60 students, ________ a quarter wear glasses.

If you want to know whether you are fit to learn history and geography, you’d better_________your headteacher.[ ]

____ lovely day! Let’s go for a picnic,shall we—Good idea!

Would you please _______ so much noise—Oh, sorry, I won’t.

When will the plane_____ Shanghai-Sorry， I don’t know.