We ________ to go skiing tomorrow，but there’s no snow，so we’ll just stay home instead。

—Has Sam finished his homework today?
—I have no idea. He ________ it this morning.

This time next week I’ll be on vacation .Probably I ________ on the beach.

She was surprised to find the fridge empty; the child _____ everything!

This coastal area        a national wildlife reserve last year.

In 1942，Columbus_______ on the of the Bahama islands, but he mistook it for an island off India.

．-----Tommy is planning to buy a car.
----I know .By next month, he______ enough for a used one.

In the last few years thousands of films         all over the word.
A  .have produced                B. have been produced
C. are producing                 D. are being  produced

I'll go to the library as soon as I finish what I        .

Tom       in the library every night over the last three months.