Question

He will show his new CD player to you as soon as he ____ his letter

1. A.
   finishes writing
2. B.
   will finish to write
3. C.
   finishes to write

Answer 1

A
主句是將來(lái)時(shí)，時(shí)間狀語(yǔ)從句用一般現(xiàn)在時(shí)，finish doing sth. 完成做某事。