I rang the doorbell several times but I couldn’t make anyone .

____ unusual news! All of us are surprised at it .

When is Amy flying to Beijing on Saturday—Her flight at 7:00 a.m..

Must we finish our homework today——— No, you _______________. You _______ finish it the day aftertomorrow.

estaurant is extremely popular, ______ you may have to wait to get a seat.