I think drinking milk every morning is good ______ our health.
Maria is a________girl.She always smiles and says hello to others.
Please________quiet.Let’s have a meeting.
The students of Grade 7 visited Mike’s farm and saw many________there.
—Why do you like koalas? —Because they are________interesting.
—Would you mind________the window?It’s very hot. —No,not at all. A.open B.to open C.opening