Be _. Make sure not to make the same spelling mistake next time.
| A．peaceful | B．careful | C．helpful | D．thankful |
-- I haven't seen you for a long time. How's it going?
--.
| A．Nice meeting you; | B．Not bad. | C．You're welcome. | D．Thanks a lot. |
Don't copy others' work. If you do it by, you'll feel much better.
| A．you | B．your | C．itself | D．yourself |
You won't feel happy at schoolyou get on well with your classmates.
| A．though | B．when | C．unless | D．because |
I am looking after little Tom today. He's been in my house _8:00 this morning.
| A．at | B．since | C．for | D．till |