–I bought a digital camera in the store near our school yesterday. --Really? Why not buy it on the Internet? It’s _________.
— It’s _______, Dad. Can I watch TV for half an hour? — OK.
There is no ________ over (在……上方) the river. We need to cross it by boat.
This question is very difficult __________ I ask my brother for help.
Anna _________ gets up at 6:40 a.m., but she gets up at 7:30 a.m. today.
— Who is Mr. Smith? — He is _______ English teacher.