---- _________ there any grass and trees in front of your house?---- No, but behind the house ________ some trees.
Newton was playing under an apple tree ____ an apple fell onto his head.
“The clouds became dark.” The sentence structure is ________.
Girls, I will tell you ________, and you can finish it ________.
—He doesn’t like making friends with other people, does he?—___. He always stays at home and never says anything about himself.
I find this Math problems very _____ _. I believe the students can work it out .