At times, parents find it difficult __________ with their teenage children.
| A．talk | B．talked | C．talking | D．to talk |
Yesterday I ______ a brighter light in my bedroom.
| A．put on | B．put in |
| C．put up | D．put off |
My sister is very careful. She made________ mistakes in this test.
| A．little | B．a little |
| C．few | D．a few |
My friend nevera bad word about anyone.
| A．says | B．tells |
| C．talks | D．speaks |
John is ______ honest boy. He has ______ useful book.
| A．an; an | B．a; a |
| C．a; an | D．an; a |
She is very helpful and ready to help people ___________________.
| A．some time | B．sometime |
| C．at any time | D．any time |