I think you should complain —______,of course, you are happy with the way things are.
| A．if | B．unless | C．as | D．because |
His mother kept telling him to his manners at the party.So he became impatient.
| A．mind | B．notice | C．watch | D．care |
If you talk about it with me,please wait till I finish my work at hand.
| A．can | B．may | C．must | D．should |
—Did you arrive here this morning?
—Yes,it was at nine o’clock we came here.
| A．when | B．before | C．which | D．that |
Our graduation party was success.We sang and danced until it came toend at ten o’clock.
| A．a;the | B．a;an | C．the;an | D．/ ; / |
I would like you to my birthday party,but I was busy and forgot to call you.
| A．to invite | B．inviting | C．to have invited | D．having invited |