The singer was often seen to practice ____________ songs near the woods three years ago.
A.sing B.singing C.to sing
—Peter, would you like to go shopping with me?
—I'd love to, ____________ I have to finish my homework first.
A.so B.and C.but
—Hello, John. This is Mike. What are you doing now?
—I'm watching a film on TV. It ____________ at 7:30 and will be on for another hour.
A.starts B.started C.has started.
—____________ we leave the library before 5 o'clock?
—No, you needn't. You can stay here until 5:30.
A.Must B.May C.Can
—Jack, can you swim ____________ the river? —I don't think I can. It's too wide for me.
A.over B.across C.through
Your idea ____________ good. Let's give it a try and see if it will work.
A.sounds B.smells C.looks