[ Must / must not ]
You… obey the traffic rules.
A. must
B. mustn’t

Random Topics:
SubjunctivesSingular and Plural NounsFuture - Will and Be going toPast ModalsPresent Continuous for FutureSecond and Third ConditionalPossessive PronounsPersonal PronounClauses of ReasonDirect-Indirect SpeechOther quiz:
Prepositions › ViewAfter a thorough search of the room, the thief found the microchip __________ the top shelf of the bookcase.
A. In
B. On
C. At
Conditional Sentence Type 1 › View
You won’t ________ good at sports if you ______ a lot.
A. Like – smoking
B. Be – smoke
C. Are – smoke
D. Being – smoking
It was getting late and Eric LeMarque decided to have one final run on his snowboard. As he … down the mountain, he came across a thick fog and headed in the wrong direction.
A. ‘d gone
B. was going
Grammar › View
All of the ______ in our choir have come down with laryngitis.
A. altos
B. altoes