.I think _________ of the materials I listened to at the beginning of the exam ____ easy.
The old man lives ___________, but he never feels ___________.
— Do you know mother giant pandas have only one or two babies ___________?—Sorry, I don’t know.
—Is this maths problem ___________?—Yes, I can work it out ___________.
—___________does your sister walk her dog ?— Once a day.
—Would you like to climb the hill with us tomorrow?—If it ___________,I___________.