Mother’s birthday is coming, I’ll make a card for her. Please keep it secret.—_____________.I won’t tell anybody about this.

I shall never forget the days ______ I stayed in Africa, ________ has brought me a lot of advantages.

he past decades, sea ice _______ in the Arcticas a result of global warming.

The government requires that every primary school student do sports for at least one hour every day.— _____. It is high time that students took exercise in order to build a strong body.

me, can you tell me if there is a flightavailable to America today—-Well, Flight 5042 to USA ________ off at 15:45