--- Can I borrow this novel? ---Sorry. Only teachers and students in our school enjoy the ______.
___ we know, in a chemical change, energy cannot be created, ____.
In ___ weather, Tome prefers __ at home ___ go out for playing.
Life in the oceans ranges from the tiniest plankton(浮游生物) ______ to giants like sharks and whales.
Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ____.
You’ll soon____after you spend several days on the seaside .