In China，it is a traditional________to show respect to ancestors during the Qingming Festival.
| A．belief | B．custom |
| C．strength | D．principle |
No one answered the phone. They___________ to the cinema together.
| A．must go | B．may go | C．could go | D．must have gone |
Your hand is dirty. It needs ____________.
| A．to wash | B．to be washing | C． being washed | D．washing |
I couldn’t do my homework with all that noise .
| A．going on | B．goes on | C．went on | D．to go on |
Would you please tell me the quickest way English well?
| A． to learn | B． of learning | C．how to learn | D．A or B |
in a white uniform, he looks more like a cook than a doctor.
| A．Dressed | B．to dress | C．Dressing | D．Having dressed |