–How long has Robert ________?
--Since 2004.
| A．been to Beijing | B．become a policeman |
| C．joined the art club | D．studied in this school |
--Why do you want to stay at home?
--Because I ________ good when I am with my family.
| A．smell | B．feel | C．taste | D．Sound |
______ is dangerous for children to swim in the river alone.
| A．It | B．That | C．This | D．He |
Be more careful and we can ______ these accidents.
| A．make | B．take |
| C．prevent | D．Cause |
The mother did all kinds of things to make her baby ______.
| A．to stop crying | B．stop crying |
| C．to stop to cry | D．stop to cry |