[ Subject Verb Agreement ]
The lifespan of these insects ………………….. very short.
A. are
B. is

Random Topics:
Grammar (either..or.. and neither..nor..)Linking Words & PhrasesUnreal ConditionalsGrammar - ConnectorsUnscramble SentenceCoordinate ConjunctionInversions and SubjunctiveApologizingAdverbial Clause / If / ComparativesPossessive AdjectivesOther quiz:
Grammar › ViewX : Where is Andy ?
Y : He is in the garage . He … his car.
A. repairs
B. repaired
C. is repairing
D. repaired
Infinitive & Gerund › View
He admitted _______ the mistake.
A. to make
B. making
C. make
D. to making