. Doctor Wang _____ at seven o’clock for the conference, but she didn’t turn up.
| A.should have arrived | B.should arrive | 
| C.should be arrived | D.should be arriving | 
“Good morning. Can I help you?” “I’d like to have this package _______.”
| A.be weighed | B.to be weighed | C.to weigh | D.weighed | 
Tony was very unhappy for _______ to the party.
| A.having not been invited | B.not having invited | 
| C.having not invited | D.not having been invited | 
With a lot of difficult problems ________, the newly-elected president is having a hard time.
| A.settled | B.setting | C.to settle | D.being settled | 
Tony was very unhappy for _______ to the party.
| A.having not been invited | B.not having invited | 
| C.having not invited | D.not having been invited | 
Though ________ money, his parents managed to send him to university.
| A.lacked | B.lacking of | C.lacking | D.lacked in |