The number of the students in our class ________ forty-eight. A number of them ________ to school on foot.
Could I have a look at your ipad? ---___________. I am playing a game now.
---__________ is the most difficult of all the lessons.--- I agree. But it’s the most interesting.
---Can __________ work out the problem?---__________, I think. It is too hard.
---Can you see __________ bright light in the sky?--Yes, I think it’s __________ UFO.
—______ does it take Mary to go to the bubby club? —Twenty minutes.