---The light in the room is still on. Do you know_______?
---In order to prepare for the coming exam.
| A．if he works hard | B．why he stays up late |
| C．why is he so busy | D．when he will stop working |
Linda and her sister____healthy.
| A．is | B．am | C．be | D．are |
---What’s this in English?
---It’s ________pencil box.
| A．a | B．an | C．the | D．/ |
---Nice to meet you,Gina.
---____________.
| A．I’m OK. | B．Hello |
| C．Good morning | D．Nice to meet you,too. |
—______, young man. If you’re late for work again, you’ll lose your job.
| A．Watch your step | B．Take it easy |
| C．Use your head | D．Have a look |
The elder brother ________ his mother, while the younger one is _________his father.
| A．looks after; look like |
| B．takes after; similar to |
| C．looks like; take after |
| D．looks the same; similar with |