[ Modal Verbs ]
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:
Correlative Conjunction & Complex Sentences › Viewas long as you actively involve in an organization, that helps you a lot to find your job ,,,, you do not have good academic achievement.
A. but
B. yet
C. although
D. neither
Conjunctions › View
We decided to stay indoors ___ it was raining heavily outside.
A. so
B. because
C. but
D. and
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
