87. His teaching _____ was raised to twelve hours a week in college.
A.burden | B.load | C.job | D.Work |
Measures have to be taken to teach young people how to ______ themselves both in family and in school. They don’t know the basic manners.
A.do | B.perform | C.behave | D.work |
You have to learn how to be a ______ first, and then to be a student.
A.human being | B.people | C.person | D.man |
______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.
A.Because of | B.On account of | C.Due to | D.Thanks to |
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
A.to do | B.to have done | C.to be doing | D.to have been doing |
. You will see this product made in this factory _____ wherever you go.
A.to be advertised | B.advertised | C.advertise | D.advertising |