—Hi, Johnson, any idea where Susan is ?
—It’s class time, so she________in the classroom now.
| A．can be | B．must have been | C．might have been | D．must be |
_______ the morning of my mother’s birthday, I usually help my mother do some housework.
| A．On | B．In | C．During | D．At |
You ‘d better not phone the manager between 7 and 8 tomorrow evening; he _____ an important meeting then.
| A．will have | B．would have | C．will be having | D．will have had |
---Where will you start your work after graduation?
---Mmm, it’s not been decided yet. I ______ continue my study for a higher degree.
| A．need | B．must | C．would | D．might |
---Mum, have you seen my mobile phone?
---_______ you bought last week? I’m afraid I haven’t seen _______.
| A．The one; it | B．The one; one | C．One; it | D．One; one |
Only by hard work _________ learn English well.
| A．you can | B．can you | C．you could | D．could you |