. He is rather difficult to make friends with, but the friendship of his, _________,is truer than that of anybody else’s.
| A．once gained | B．while gaining | C．if gains | D．after gained |
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．A or D | C．how to learn | D．of learning |
in a white uniform, he looks more like a cook than a doctor.
| A．Dressed | B．to dress | C．Dressing | D．Having dressed |
His sister left home in 1998,and_______ since .
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
After two hours of walking, they came to the camp site, ______ .
| A．hungry and tiredly | B．hungrily and tiredly |
| C．hungrily and tired | D．hungry and tired |