--I hear that Tom's sister is a teacher here.--Yes, the girl is standing under the tree is his sister.A. who B. whom C. whose
---How did you find the trip to the West Lake? ---________.
---Mum, I’m going out with my classmate tonight. ---OK. But you’d better _____ back too late.
President Xi Jinping often says that China dream only by many years of hard work .
---do we have a meeting? ---To choose our monitor.
---Li hasn’t passed the driving test, has he? ---, though he tried his best.