Doctors tell people ________ their hands often and to stay home if they feel ill.
| A．to wash | B．washes | C．wash | D．washing |
Peter is ten years old. He is _______ to go to school.
| A．old enough | B．enough old | C．young enough | D．enough young |
Does your friend _______ English?
| A．does well in | B．do good at | C．do well in | D．did well in |
My teacher’s words made me _______ trying and never give up
| A．to keep | B．keep | C．keeping | D．kept |
My flight to Tokyo _______ from Beijing International Airport.
| A．takes on | B．takes off | C．takes up | D．takes away |
The old lady has a _______ time _______ clothes every day.
| A．difficulty; to wash | B．difficulty; washing |
| C．difficult; to wash | D．difficult; washing |