1._____it is raining,we had better stay indoors,doing some reading.
A.For B.Since C.Because D.Though
2.I wonder______,but I think_______we'll able to finish the work ahead of time.
A.whether Bruce will help us,if she helps us
B.if Lily will help us,if she will help us
C.whether Helen helps us or not
D.if Sally will help us ,if she helps us
可是为什么其他选项是错的