-Can you come to help us with our work by 5 o’clock? -I don’t know if I can help

—Can you come to help us with our work by 5 o’clock?

—I don’t know if I can help；________.

A．that’s a pity                          B．it alldepends

C．you arewelcome                       D．that’s a pleasure

试题答案

【答案】

B

【解析】

试题