—Has Sam finished his homework today?
—I have no idea. He ________ it this morning.
A. did B. has done C. was doing D. had done
This time next week I’ll be on vacation .Probably I ________ on the beach.
A. am lying B. have lain C. will have lain D. will be lying
She was surprised to find the fridge empty; the child _____ everything!
A. had been eating B. had eaten
C. have eaten D. have been eating
This coastal area a national wildlife reserve last year.
A. names B. named C. is named D. was named
In 1942，Columbus_______ on the of the Bahama islands, but he mistook it for an island off India.
A. lands B. landed C. has landed D. had landed
．-----Tommy is planning to buy a car.
----I know .By next month, he______ enough for a used one.
A. saves B. saved C. will save D. will have saved
