[ Grammar ]
I ………… ride a bike when I was 3 but now I …………….
A. could – can
B. couldn’t – could
C. couldn’t – can
D. can – can

Random Topics:
Grammar - Place and MovementGrammar: is/are/was/wereEnglish for TourismTOEIC Tenses, VerbsAdjective & AdverbsPast Simple (Questions)Article the or zero article (-)Prepositions Of PlaceSubordination ConjunctionsWish SentenceOther quiz:
Grammar › ViewMy mother is a ____ . She fixes teeth.
A. nurse
B. doctor
C. dentist
D. pianist
Grammar › View
We are surprised to learn that Sean spent about NT$50,000 ____________ his new iPhone.
A. with
B. on
C. to
D. by
Grammar › ViewSUSAN IS MY BEST FRIEND. SUSAN IS A ________
A. PRONOUN
B. NOUN
C. VERB
Vocabulary › View
a process in which one or more substances are converted to one or more different substances
A. conservation of matter
B. closed system
C. chemical reaction
D. reactant
