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

What’s this?–It’s__ backpack.–Where’s__ backpack?–It’s on the bed.

John passed the examination though he had only spent _______ on the subject as others had done.

There __________great changes in our hometown in the past fifteen years.

That famous musician is______Toronto.[ ]