When you leave the classroom, please turn off the light _______ energy.
A.save B.saving C.saved D.to save
—Karen, I needed your help this morning, but you didn't show up.
—Sorry, I _______ an important meeting when you called.
A.had B.have had C.was having D.have
—Excuse me, where is the bookstore?
—Go _______ the bridge. You'll see it on your left.
A.on B.between C.across D.through
—What do you think of the latest movie Amazing China（《厉害了, 我的国》）?
—It's very popular. Millions of families _______ by it.
A.attracted B.are attracted C.were attracted D.were attracting
—Why are you so happy?
—I've got the good news _______ my dad told me.
A.whom B.who C.whose D.which
Staying with families and friends in our free time is one of _______ things.
A.the happiest B.happier C.the happy D.happiest
