—Who called just now, Sam?—It’s Mona. She asked _____.
—Tokyo will host 2020 Sumner Olympics. —Really? It will be first Asian city to host the Olympics twice.A.a;a B.the;the C.the;a
—I hear your uncle works in Beijing. Can you tell me ________?—For 5 years.
Please drink more water to keep healthy, ________ in summer.
Mum ________ clothes, so I have to look after my younger sister.
There ________ a pencil and two pens on the desk.