We'11 go to the party if I ________ free tomorrow.

[　　]

I'm sure he would love to come to your party.

[　　]

A．愿意参加

B．想来

C．请求

Do you know ______ he did not attend ['tend] vt. 出席，参加 the meeting that day?

[    ]

　　A. how   B. why   C. what   D. where

We'11 go to the party if I ________ free tomorrow.

[　　]

They walk _________(穿过)　a forest and find a road.