My sister is only two years old, and I have to _____ her on Sunday.
A．look for B．look after
C．look like D．look at
—What are you doing for your vacation?
—________________________.
A．I’m going hiking.
B．I went to the beach.
C．I often go to the mountain.
D．I like going bike riding.
—I’m tired and stressed out.
—You should ___________.
A．study hard B．go to the dentist
C．listen to light music D．stay out late
—_________is very interesting to swim in the river in summer,but it’s dangerous.
A．This B．That C．It D．He
Vegetables are good our health, so we should eat them every day.
A．at B．for C．in D．with
— do you go to the movies?
—Hardly ever.
A．How long B．How often
C．How many times D．How soon
