--- Hi, David. _______do you go to see your grandparents?---About three times a month.A. How longB. How oftenC. How soon
--- ________ it was very hot, he still played basketball on the playground. --- He is crazy about basketball.
--- _____ you _____ to ride a motorbike ? --- Yes. But last month I sold it and bought a car.
Science is really _______ useful sucject although it is very difficult.
–We can invite our teachers to the party next weekend. -- Yes. __? I’ll call her at once.
If you don’t understand it, you can ask the teacher , and it’ll become .