请给出清楚的详解.

题目

请给出清楚的详解.
1 If you ( )to the 2010 Shanghai Expo next month,I will go with you.A go B has gone C will go D are going 2 Don't speak.We'll ( ) in ten minutes.A back B be back C are back D are back to you 3 The rain will be very ( ) .It will rain ( ) this afternoon.A heavy;heavy B heavily;heavily C heavily;heavy D heavy;heavily

答案

ABD(第二题不怎么确定）