-- I'd like to invite you to a party tomorrow evening.-- Thank you, but ______ I'll be free I'm uncertain.
The boy looked ______ because he didn’t pass his maths exam.
Sarah, you’d better drink more water after ______ for such a long time.
—Do you remember what she looked like when you first met her? —Of course. She was tall and thin _____ long hair.
Boys and girls, please turn to Page _____ and look at the _____ picture.
Be quick, _____ we’ll be late for school.