After _____ seemed an endless wait, it was her turn to enter the personnel manager’s office.
A.that | B.what | C.which | D.whether |
It’s ____ you behave in difficulties that shows what you are really like.
A.that | B.what | C.how | D.where |
------Have you known each other for long?
------ Not very, ________we started to work in the ABC Motor Company.
A.before | B.since | C.when | D.after |
According to the rules, students ______ get grades not lower than 85% in any subject in order to get the scholarship.
A.will | B.shall | C.may | D.would |
The young scientist has made such great achievements in his chosen field ______ nobody else can make.
A.that | B.what | C.which | D.as |
We were told not to touch the equipment in the laboratory unless ________.
A.allowed to do | B.allowing to do |
C.allowed to | D.allowing to |