[ Grammar ]
When he was young, he ________ swim very well. He won medals and championships!
A. had to
B. can
C. could
D. has

Random Topics:
1st ConditionalSimple Present TenseSimple Past ContinuosVerbs + Gerund or InfinitiveGrammar (was, were, could, could not)Relative Clauses & Real ConditionalsGerunds and InfinitivesPassive Voice and Relative ClausesPresent Perfect and Present Perfect ContinuousDefinite and Zero ArticleOther quiz:
Prepositions › ViewIt’s ____ Friday today.
A. in
B. on
C. at
D. x
Vocabulary › View
far away
A. proclaimed
B. distant
C. marveled
D. cautiously
E. sumptuous
Modals › ViewA: Whose schoolbag is that?
B: I am not sure, but it ____ be Janet’s. It looks like her bag.
A. could
B. must
C. can’t
Grammar › View
He is very famous. People can’t forget him.
A. He is too famous for people to forget.
B. He is enough famous for people to forget him.
C. He is very famous to forget him.
