Some shells ______ give you a toxic or painful sting, so you ______ be careful.
A. Must , must not
B. Can , have to
C. Can , mustn’t
D. Should , shouldn’t
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Speech TensesPrepositions after VerbsBare Infinitive and To InfinitiveAsking and Giving OpinionAuxiliaries VerbVerb and PrepositionBasic TensesWill, Be going to, Present ContinuousBASIC GRAMMAR - PRONOUNSModal Verbs of Certainty and PossibilityOther quiz:
Vocabulary › ViewWhen you _______, you provide, give, or add on to something.
A. conclude
B. contribute
Modal Verbs and Contrastive Conjunctions › View
Choose the sentence with the correct use of a contrastive conjunction.
A. We must leave early for the concert, or we could miss the opening act.
B. He might go to the gym now, yet he might also choose to go later in the day.
C. They should finish their homework first, and they could play video games afterward.
D. She must finish her chores before going out, but she might still be late.
Gerunds › ViewHe left without saying goodbye.
A. As a subject
B. Some particular verbs
C. As direct object
D. After preposition
Grammar › View
CDs weren’t around for very long, and CD burners disappeared almost …
A. as quickly
B. as quickly as