Tom is ____________ boy now.
| A．a 11-years-old | B．a 11-year-old |
| C．an 11-year-old | D．an 11-years-old |
The timetable(时刻表) tells us __________________________every day.
| A．when does the train arrive | B．when the train will arrive |
| C．when will the train arrive | D．when the train arrives |
You’d better work in your hometown and then you can ________ your old father.
| A．look at | B．look over | C．look out | D．look after |
My younger sister is always _________ but she also likes listening to others quietly.
| A．outgoing | B．angry | C．calm | D．friendly |
-- Is it your brother playing football outside?
-- It ________ be him. He is helping mother with dishes now.
| A．must | B．can’t | C．mustn’t | D．can |
--Have you finished your work yet?
--Yes, I have . It ____________ half an hour ago.
| A．has been finished | B．finished | C．was finished | D．has finished |