Present Tense
Two atoms of hydrogen ________ with one atom of oxygen to form a molecule of water.
combing
combined
combines
combine
combine
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The river has ________ its banks.A. overflown
B. overflowed
C. overflew
D. overloaded
A solar cell is a device that________.
A. converts light and produces electricity.
B. converting light and produces electricity.
C. converts light and produced electricity.
D. converted light and produced electricity.
Francis Baconโs stories often ________ pragmatic endings.
A. had
B. have
C. has
D. have had
Just now he ________ his dinner but he says heโll see you when heโs finished.
A. is having
B. was having
C. has had
D. had
John looks sick.
A. He has suffered for fever for the last three days.
B. He has been suffering from fever for the last three days.
C. He has suffered with fever for the last three days.
D. He has suffered from fever for the last three days.
Have you ________ the letter?
A. write
B. wrote
C. written
D. writting
It ________ all week. I hope it stops by Saturday because I want to go to the beach.
A. did rain
B. rained
C. was raining
D. has been raining
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