[ Modals ]
I won’t be able to / can come on the walk unless I have strong walking boots.
A. be able to
B. can

Random Topics:
Adverb and Noun ClausesGerundFuture TenseAdjectives (-ed / -ing)Conjunctive Adverbs and PunctuationPast Simple Negative & QuestionsHas and HaveArticle and Order of AdjctiveComparative & Superlative AdverbsGrammar (Adverbs, Prepositions, Prepositional Phrases)Other quiz:
Grammar › ViewI ____ a lot of assignments since last week until right now
A. complete
B. completed
C. have completed
D. have been completing
Modal Verbs › View
I ___ swim well when I was 6 years old.
A. could
B. might
C. may
D. can
Narrative Tenses › ViewOne day, Mr. Clark … home with a smile on his face.
A. walked
B. was walking
C. had walked.
Vocabulary & Grammar › View
Yesterday, I ______ a terrible toothache, so I went to the dentist.
A. have
B. had
C. will have
D. having
