—What’s a quarter and a half, do you know?—Yes, it’s __________.
_______lovely weather and ________ nice time we have !
The maths problem is very easy, _____ I don’t think all of you can work it out.
Thank you for ______ me go on the trip ,Mr Wu.
We talked _______ until Mr Wu asked us _______.
What did the teacher ________ the students to _______ at the class meeting yesterday?