Question

－Do you often go swimming _________ Sunday mornings?

－Yes．Why not _________ with me this Sunday?

[　　]

A．

on, go

B．

in; to go

C．

on; going

D．

in going

Answer 1

答案：A
解析：

介词on与Why not的用法。在某一天，或某天某段时间用介词on, Why not do sh．？指“为什么不做某事”，do前是省略to的不定式。故选择A。