This ship set sail and gradually disappeared where the sea ________ the sky.
| A．meets | B．reflects |
| C．catches | D．connects |
—Shall I help you?
—Sure. Such a difficult case is ______ I could handle myself.
| A．rather than | B．less than | C．or rather | D．more than |
Everyone likes to develop a close relationship ______ we trust each other.
| A．which | B．that | C．where | D．when |
Jack decided to risk looking for a place to stay where he arrived, rather than booking ______.
| A．in advance | B．in return | C．in fact | D．in addition |
Low-cost books in paper covers make ______ some of the world’s best literature to readers.
| A．ordinary | B．available | C．comfortable | D．necessary |
He must be helping the old man to water the flowers, ______?
| A．is he | B．isn’t he | C．must he | D．mustn’t he |