[ Modal ]
The students _____ ask a question to their teacher during the activity.
A. must
B. have to
C. may
D. may not
Select your answer:

Random Topics:
TOEFL GrammarSynonymSimple Future - PassiveAlong & AgainstNoun ClausesWould rather/ would prefer/ would likeTenses - Present and PastIf/Unless - Conditional type 1TOEIC Tenses, VerbsPassive of Modal VerbsOther quiz:
Vocabulary › View1. To measure the depth of water
2. To reach the deepest part of
3. To understand by examining closely; to solve
A. Detract
B. Flamboyant
C. Wheedle
D. Plumb
Vocabulary & Grammar › View
He ______ to get rid of his old car and buy a new one.
A. contains
B. aims
C. varies
D. scales
