It’s ________ to leave a child alone.
______ of the students in my school _______ girls.A. Two fifths; areB. Two fifths; isC. Two fifth; are
I have __________ this iPhone air for only a month.A. bought B. had C. buy
Noise is harmful ______ our hearing.A. to B. for C. on
—Joan never gives up learning English. What about you?—_______A. So do I.B. Neither do I.C. Neither I do.
I don’t like bread. I won’t eat it______ I am very hungry.A. if B. when C. unless