--- How many of you have solved the math problem?--- ________, the math problem is far too difficult for us to work out. .
He ________ his homework on Sundays.
It’s ten o’clock.I must go ________.
—What do you think of the song“You and Me”?—It ________ great.I love singing it.
I ________ at ten o’clock in the evening.
Xiao Xia ________ goes to school by bike(骑自行车).She walks to school.