[ Progressive Tense ]
The number of cases of asthma ______ these days, perhaps partly because more people own cats.
A. increase
B. is increasing
C. was increasing
D. were increased
Select your answer:

Random Topics:
Comparatives and SuperlativesSimple Past Future TenseIndependent ClausesReported Speech and TensesPassive VoicesComparative and Superlative AdjectiveVocabulary and Sentence StructurePronunciationComparisionReflexive pronounsOther quiz:
Grammar › ViewYuan is very noisy in the class. What is Yuan in the sentence?
A. A. adjective
B. B. noun
C. C. verb
D. D. pronoun
Vocabulary › View
Fill in the blank with the word that most naturally completes the phrase: an unforgettable _______
A. experience
B. festival
C. powerful
D. sunset
E. weight
