Birds _____ fly but lions ________.
A. could / couldn’t
B. can / can’t
C. will be able to / won’t be able to.

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Gerunds as Objects of PrepositionsNoun QuantifiersTenses and ArticlesDefinite vs Zero Article Abstract NounsSuch...that, so ......thatPresent Simple, Present Continuous or Present PerfectParticiple - ing/ edHabitual and Continuous TensesContrastive ConjunctionsFuture Tense (will/be going to/p.continuous)Other quiz:
Grammar › ViewWhose is ____ pencil over there by the window?
A. this
B. that
C. these
D. those
Grammar › View
Combine the following ideas into one complete sentence: “The teacher explained the lesson. The students understood it quickly.”
A. The teacher understood it and explained the lesson to the students quickly.
B. The lesson was explained by the teacher, understood quickly by the students.
C. The students understood the lesson quickly explained by the teacher.
D. The teacher explained the lesson, which the students quickly understood.
Grammar › ViewIdentify the proper noun.
Is she still planning to go to Melbourne this summer?
___
A. planning
B. go
C. Melbourne
D. summer
Grammar › View
Where did you get _____ grapes?
A. so
B. such
