[ Modal Verbs ]
You ___ be careful while handling chemicals in the lab.
A. can
B. must
C. may
D. might

Random Topics:
Perfect TenseTOEFL GrammarLinking Words and ConjunctionSimple, Compound, Complex SentencesTime ConjunctionsModals AuxiliaryQuantifiers: too many, too much & enoughGerund NounQuantifies and Modals of DeductionPast Simple and ContinuousOther quiz:
Modal Verbs › ViewShe _____ have gone to the party, but I am not sure.
A. might
B. must
C. would
D. shall
Personal Pronouns › View
I love my big brother. I don’t fight with ___.
A. he
B. us
C. me
D. him
Quantifiers / Prepositions of Time and Comparative Adjectives › ViewThis is the ______ poem I have ever written.
A. best
B. better
C. good
D. most good
Grammar › View
Grandfather isn’t feeling well. He ____ the doctor later today.
A. ‘s seeing
B. sees
