Recycling is one way to protect the environment; reusing is ______.
A.another B.the other C.one another D.one
When I was little, my mother used to sit by my bed, ______ me stories till I fell asleep.
A.having told B.telling C.told D.to tell
— It rained cats and dogs this morning. I’m glad we took an umbrella.
—Yeah, we would have got wet all over if we _______.
A.hadn’t B.haven’t C.didn’t D.don’t
______struck me most in the movie was the father’s deep love for his son.
A.That B.It C.What D.Which
It was with the help of the local guide ______ the mountain climber was rescued.
A.who B.that C.when D.how
— What are you doing this Saturday?
— I’m not sure, but I go to the Rolling Stones concert
A.must B.would C.should D.might