Do you think the rain will stop tomorrow—_______. It has rained for ten days. It’s too wet everywhere.

When asked why he prefers bikes to buses, the professor said, “Riding a bicycle takes __________ half an hour, but it’s more convenient and environmentally friendly ”

Father is ill. He wants his doctor to give him______ about his heart trouble.

Not once ________ to Michael that he could one daybecome a top student in his class

Mountain climbing ________ be very tiring, and many people feel sick ________ the atmosphere gets thinner