Dr. Green says that these children may find _______hard to think for themselves when they are older.
| A．that | B．it | C．one | D．them |
Linda often ________ her homework in the evening, but this evening she __________ TV.
| A．does watches | B．is doing watches |
| C．does is watching | D．is doing is watching |
He gave me a good ______.
| A．answer | B．advice | C．know | D．asking |
He saw the little girl _____ when he was on his way to a party.
| A．cried | B．cries | C．crying | D．is crying |
My grandpa is a science teacher and he _______ science.
| A．is good to | B．is good for |
| C．does good to | D．is good at |
________ book on the desk is _______ useful one.
| A．The;an | B．A;a | C．The;a | D．The;X |