—It's dangerous to swim in this river.
—Yes，you are right.The government has ______ people not to swim in it.
| A．trained | B．warned | C．led | D．Encouraged |
My mother often ____ to me, “She can ____ English.”
| A．say,speak | B．tells,speaks |
| C．says,say | D．says,speak |
I usually go to school ________.
| A．ride a bike | B．by bike |
| C．on my bike | D．B or C |
My brother is _____boy. He is very like my father.
| A．a 18-year-old | B．an 18-years-old |
| C．an 18 years old | D．an 18-year-old |
I can’t play the guitar ____ the violin, and he can’t play them, .
| A．and, either | B．or, either |
| C．and, too | D．or, too |
--How long ____ it take him ____ home? ---It takes about 15 minutes.
| A．does, to get | B．is, get |
| C．does, to get to | D．is, to get to |