[ Verb-ing and Infinitive ]
The teacher forbids us ……….. during the test.
A. not speaking
B. not to speak
C. to speak
D. speaking

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Prepositions of Location, Movement and TimeTenses and ComparisonsTenses & PassiveVocabulary and ModalsPreference & Future TenseZero & First ContidionalSubject Verb Agreement & Subjunctive MoodFood VocabularyPreposition on TimeGrammar and IdiomsOther quiz:
Grammar › ViewNew brooms sweep clean.
A. New employees usually do their work well.
B. Two people can achieve more than one person working alone.
C. A true friend is one who helps you when you are in trouble.
D. The more knowledge one person has, the more power he possesses.
Prepositions after Verbs and Adjective › View
I’m very excited_____ buying a new computer.
A. of
B. about
C. to
D. in