It is necessary _____ a foreign language.
B.for college students to master
C.that college students master
D.that college students to master
B.for college students to master
C.that college students master
D.that college students to master
The patient suffering from a cough soon found ______ to give up smoking.
A.it is necessary
B.necessary
C.it necessary
D.that necessary
A.refer
B.relate
C.furnace
D.furnish
It is necessary that we ______ have a good command of English at college.
A.must
B.have to
C.should
D.ought to
A.That is
B.It is
C.There is
D.This is
John was dismissed for his lack of ________ knowledge or necessary experience.
A) specialized
B) specially
C) specifically
D) specified
A.extend
B.increase
C.rise
D.add
A.surprising
B.not surprising
C.necessary
D.not necessary
A.anyway
B.whenever
C.all
D.whatever