[ Conjunction ]
___ a university professor returns from a sabbatical leave, he should be better qualified.
a. Until
b. When
c. Even though

Random Topics:
May, MightAdjectives & PrepositionPrepositions of Location, Movement and TimeCommon ErrorPast TensesPast Perfect SimplePresent, Past and Future TensePresent Perfect or Past SimpleGrammar, Literature, and VocabularyAdverb or AdjectiveOther quiz:
Vocabulary › ViewWhat does “courageous” mean?
A. To be very quiet
B. To have the strength to control fear
C. To be very sleepy
D. To be very hungry
Articles › View
If our body does not have enough ________ cholesterol, we may not be able to survive. On ________ other hand, if the body has too much cholesterol, the excess begins to line the arteries.
A. the / an
B. Ø / an
C. the / Ø
D. Ø / the
Conditional Sentences › ViewIf I_____ you, I would tell the truth.
A. is
B. am
C. was
D. were
Prepositions › View
She’s never cared very much ______ her appearance.
A. about
B. for
C. with
D. of
