We’ll be back for our school’s anniversary ceremony. —I see. That means you’ll have a get-together with your classmates in years.

I bet Mrs. Black will come to help us with the celebration if she ______ too busy tomorrow. [ ]

报警电话110用英语应该读作_________。

Our afternoon class starts _____ 2 p.m., I must come to school before 1:50. [ ]

What are you doing _____vacation?— I’ m going hiking.[ ]