— Attention, please. The plane has to be _____ because of the heavy rain.— Oh, bad luck! We have to wait now.
--- Would you like me to help you? --- .
--- Where’s Bob? --- He_____ to the library.
--- Mary doesn’t remember when and where she this skirt.
- --What's your brother? - --He's a teacher. He art at a school。
--Itwasabeautiful, cloudless sunnydayattheendsummer.