______ meat do you need today—Two kilos.

The pull of gravity depends upon size, _______, upon mass. An object, whether its mass is big or small on the earth, ________in weightless conditions, like the outer space.[ ]

As the clock _________ nine, players _________ their positions and the match began.

It’s the government that________the country through the difficulties ahead.[ ]

How was your National Day vacation—Great! We went sightseeing and spent the_____ days at home．