—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 |
He is a ______ traveller.
| A．addictive | B．addicted | C．addition | D．additional |
—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 |
I ‘m the first____ I might be wrong.
| A．to admit | B．admit | C．of admiting | D．for admitting |
Though she did not know Boston well, she made her way_____to the Home Circle Building.
| A．easy enough | B．enough easy | C．easily enough | D．enough easily |
---I went to see my friends off at the airport.
---Is that_____you were late for the important meeting?
| A．because | B．why | C．how | D．reason |