In many ways, ______ on a bike is similar to ______ a car .

My son set out _____ questions when I set about ______lessons.

____ her friend was badly hurt, she burst into tears.

___ from space, the earth with water ___70％ of its surface looks like a "blue blanket".

I'm afraid that I can't make myself ___ because of my poor English.

On the bank of the river, we found him _______on a bench, with his eyes_______ on a kite  in the sky.

It rained last night and the flowers don’t need_____, so he ______water the flowers.

The aim of basketball is for players to get a ball into the “basket”: a net ____ from a metal circle.

The child complained that the old man made no answer when         where he lived．

Tom took a taxi to the airport, only ________ his plane high up in the sky.