1. that's the reason.........he failed

A. who B.why C.when D. where

2. If you.......down the trees in the forest , there will be big floods

A.cut B.are cutting C.will cut D.can cut

3.she was lazy .......she didn't pass the exam

A.but B. Since C.however D.so

4.Neil Armstrong,........ Walked on the moon, lived in the USA

A.who B that C which D whom

5.have you heard.....news about the aca den ton the main road

A.a B. An C. The D.Some

6.Que had.....big meal in a retanrant

A.an B.a C.the D.no article