A.has rained
B.rained
C.rains
D.is raining

A.are examined
B.have examined
C.can examine
D.were examining

A.doesn’t she
B.don’t they 
C.does they  
D.do they

A.who
B.whom  
C.that  
D.whose

A.what
B.whom  
C.who  
D.which

A.whom
B.whose  
C.that  
D.which

A.what
B.which 
C.where
D.that

A.whose
B.who 
C.whom
D.that

A.who
B.whom
C.him
D.that

A.must
B.need
C.ought
D.might