When ______ in a red coat,she looks like a young lady.
When ______ in a red coat,she looks like a young lady.
A.wearing B.dressing C.dressed D.having on
为什么不选B,选C
2.Reading is an experience quite different from watching TV; there are pictures ______ in your mind instead of before your eyes.
A.to form B.form C.forming D.having formed
为什么不选C,选A,不是there be doing