Bob ______ his bedroom by himself. Look! How clean it is!A. sweeps B. swept C. has swept
—Lucy, tomorrow is October 1st. I’m going to Kunming for the holidays(假日).—_____
—Could you ride a bike when you were 5 years old?—_____
What present did you give Carl _____ his birthday?
— _____ is your teacher’s desk?—It’s about 140 centimeters long.
—_____ you at school yesterday?—No, I _____ at home.