[ Grammar ]
John doesn’t know how_________the computer on.
A. to switch
B. switching
C. to switching
D. to have switched
Random Topics:
Tenses, Determiners & Subject Verb AgreementGrammar- Later/LatterModal "Have to"There is or There areComplex PrepositionsModals and PhrasesPresent Continuos TensePresent tense AffirmativePresent Tenses and VocabularyPast Continuous Tense & Past ModalsOther quiz:
Grammar › ViewWe managed _______ over the wall without ________.
A. to climb/ seeing
B. climbing/ being seen
C. to climb/ being seen
D. to be climbed/ seeing
Future Tenses › View
Someone is coming. I _____ who it is.
A. will check
B. am checking
C. am going to check
D. check
Grammar › ViewThere are always regional __________ in every country.
A. differs
B. different
C. differences
Modals › View
You ___________ send text messages when you are driving.
A. haven’t
B. hasn’t
C. should
D. mustn’t