— What is that? —It’s _______ eraser, and it’s _______ red eraser. A. a; a B. an; a C. an; an
According to the broadcast, the plane __________ in two hours.
________ the weather is very changeable these days, many people have caught a cold.
Water is offered at the tourist attraction , so you _________ carry any.
My parents as well as my sister _________playing table tennis .
Some people like coffee while ______ prefer to have tea.