Susan started to clean the room; __________Lily was preparing lunch.
| A．however | B．but | C．meanwhile | D．when |
The Chinese teacher looks so pale. She ___ be ill.
| A．must | B．mustn’t | C．can | D．need |
---Would you like me to carry the box? ----_____.
| A．Yes, I would | B．Yes, I'd like to | C．It’s pleasure | D．No, thanks. I can't manage it myself |
---Shall I show you how to write? ----_____.
| A．Yes, of course | B．Thank you | C．Not at all | D．You’re welcome |
___ is everyone’s duty___ the law.
| A．That; do obey | B．It; to obey | C．That; obeying | D．It; obeying |
--What time shall we meet, Betty? ---____.
| A．I suggest 7 o’clock | B．it’s about 7:30 | C．I’m afraid not | D．That’s OK |