______I be free tomorrow，I could go with you．
| A．Could | B．Should | C．Might | D．Must |
------______, is the seat free?
------______, it’s taken. My friend will be back soon.
| A．I’m sorry; I apologize | B．I beg your pardon; I’m afraid |
| C．Good morning; Oh, that’s right. | D．Excuse me; Sorry |
—Everyone has periods in their lives_________everything seems very hard.
| A．when | B．where | C．which | D．that |
—Is he coming?
—I'm not sure．He may be late or,____, he may not come at all．
| A．at present | B．at least | C．worse still | D．for a while |
—Did you enjoy the book?
—Yes, it was so interesting that I could hardly_________it.
| A．get rid of | B．break away from |
| C．keep away from | D．tear myself away from |
Listen to the two girls by the window．What language_________?
| A．did they speak | B．were they speaking |
| C．are they speaking | D．have they been speaking |