I think walking is ________our health.
| A．good at | B．bad at | C．well in | D．good for |
Christmans Days is ____ December 25th every year.
A. on B. inC. at
America _________ be fun!
A．mustB．canC．should
Rain _________ down into a lake．
A．fallsB．feelsC．comes
Jim and Ben are _____ about Ben’s birthday.
A.saying B. speaking C. Talking
t’s cold now. Please___________ your coat.
A.put on B. take off C. look after