He often saw his mother __________ clothes .
| A．washed | B．washes | C．wash | D．washing |
The boy is ________ see the teacher because he ________ a mistake.
| A．afraid of; has | B．afraid to; has made |
| C．afraid to; make | D．afraid of; made |
Beijing is one of the ______ in the world today.
| A．busiest city | B．busiest cities |
| C．busy city | D．busy cities |
Lily will give a talk tomorrow. She is thinking about ________ to make everyone happy with her speech.
| A．how to say | B．what to say |
| C．what can I say | D．how can I say |
----Excuse me, could you please tell me _______ ?
----Sorry. But the bus stop is over there. You can go and check the bus lines.
| A．which bus goes to the sea Park |
| B．where is the bus stop |
| C．When I can get to the Sea Park |
| D．How can I get to the bus stop |