[ Grammar ]
We _______ speak when the teacher’s speaking
A. should
B. shouldn’t
C. must
D. mustn’t

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PrepotitionsIN, ON & ATand, so, but, becauseGrammar and SyntaxPresent Simple and Modal VerbsVerbs: Action, Linking, and HelpingGrammar and PunctuationGrammar and Sentence StructurePunctuationsModal Verbs of Deduction and SpeculationOther quiz:
Grammar › ViewShe´s smiling, so she _________ have passed her exam.
A. must
B. might
Grammar › View
When you go shopping, please remember to buy a ________ of whole-meal bread.
A. loaf
B. slice
C. piece
D. carton
Has Got & Have Got › ViewA. She has got grey short hair
B. He has got short grey hair
C. She haven’t got long hair
D. She has got long straight hair
Grammar › View
Jim is a slim guy. I think he’s good for (run) ______.
A. running
B. to run
C. runs
