单选题 --Will you stay for lunch? --Sorry, ________. My brother is coming to see me.

单选题 As students, we ________ attend classes on time!

单选题 I ________ her a minute ago.

单选题 Have you ever ________ to Beijing?

单选题 Where ________ for your next holiday?

单选题 ________ he ever climbed a tall mountain?

单选题 What ________ you like to do?

单选题 If you have a headache, a cup of mint tea ________.