Experts say walking is one of the best ways for a person to _____ healthy.
With the gas _____, they had to quit the car and walked.
Last night the order came that all those infected with the deadly disease ________.
It is in the west of China _____ there is no doubt _____it is going to rain tomorrow.
----There is no more than one washing machine of that kind left in the shop. What about going and buying ____?----No, I prefer to find _____ in other supermarkets.
---- ____________ he has known the good news. ---- ______ is no wonder he is so excited.