--- is the pen? --- It’s black red.
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? —________________________.
—I’m tired and stressed out. —You should ___________.
—_________is very interesting to swim in the river in summer, but it’s dangerous.
Vegetables are goodour health, so we should eat them every day.