[ Grammar (was, were, could, could not) ]
When his mother was young, she_________skate but she can’t do it any longer.
A. could
B. couldn’t

Random Topics:
PrepositionPresent Simple and Past ContinuousPassive Voice - Present TensesAdverb of TimeGrammar - may/might/couldCan, Could, May, MightPaired ConjunctionComparatives and Past Perfect TenseGrammar SuffixesModal Verbs and ConditionalsOther quiz:
Tenses › ViewI went to the library, then I went to the stationary and I …………………. (buy) some pencils
A. bought
B. have bought
C. buyed
Grammar › View
I don’t want to go.
I’m ______ working out.
A. Still
B. Already
C. Yet
D. Just
Plural › ViewWhat is the plural form of fox?
A. Foxes
B. Foxeses
C. Fox
Grammar › View
“Did Mark pass all his exams?” he asked.
He asked if Mark ______ all of his exams.
A. has passed
B. have passed
C. had passed
D. passed