It must have rained last night, ________ the ground is wet now.

It must have rained last night, ________ the ground is wet now.

A．for              B．because           C．since             D．now that

34、It must have rained last night, ___________?

It must have rained last night, ________??
A.mustn't it B.can't it?
C.hasn't it  D.didn't it?

It must have rained last night, ________ the ground is wet now.

1. A.
   for
2. B.
   because
3. C.
   since
4. D.
   now that