Because of the Mid-autumn Day happening to _________, we have just enjoyed a longer National Day vacation than ever before, but it is estimated that it will be

It’s the third time ____ I have been here.

You’d better not always look up the new words __________ the dictionary while reading. Sometimes we need to guess. [ ]

I like red best. What about___________?—My favourite colour is orange. It represents joy.

our earth, or else it will be no longer fit for us to live on.