_________ you stand on your head for more than a minute? No, I _______
A. must/ must not
B. should/shouldn’t
C. can/can’t
D. may/may not

Random Topics:
Wishes & Reported SpeechComparison & Modal Verbs in Passive VoicePronounHave to / Do not have toIrregular AdjectivesRegular and Irregular VerbsPassive Voice - Present ContinuousPresent Perfect SimpleModals and PhrasesTransitive and Intransitive VerbOther quiz:
Grammar › ViewComplete the sentences with the gerund or infinitive form of the verb in parentheses
_______________ players is a key part of building an effective team. (coordinate)
A. To coordinate
B. Coordinating
Grammar › View
Which sentence demonstrates using commas to separate two or more adjectives that come before a noun?
A. Nala loves to play fetch, chase squirrels, and look out the window.
B. This sweet, creamy icing really made the cinnamon roll delicious.
C. A landscape painting, in my opinion, would look better in this room than a portrait.
D. We started back to school on January 4, 2017.
Simple Past Tense › ViewI couldn´t go to the party because I _________ too much homework.
A. Have
B. Has
C. Hasn’t
D. Had
Phrasal Verbs › View
It can take weeks to get _______________ an illness like that.
A. across
B. after
C. up
D. over
