[ Gerund - to Infinitive ]
Don’t forget … off the lights.
A. turning
B. to turn

Random Topics:
Pronouns and AdverbsTenses & PrepositionPreposition and Word FormSimple PastThe Structural Types of SentencesThere is or There arePersonal pronouns + possessive adjectives + Introgative pronounsGrammar: AgreementDefinite, Indefinite and Zero ArticlesGrammar - Imperatives and LetOther quiz:
Causative Verb › ViewNo clinical studies —- in this child disease research so far.
A. Had completed
B. Will be completed
C. Have completed
D. Have been completed
Tenses › View
I have eaten breakfast already.
A. Simple Present
B. Present Continuous
C. Present Perfect
D. Simple Future (with modals)
Grammar › View Adam is used _______till late in the night
A. to work
B. in working
C. to working
D. working
Grammar & Vocabulary › View
That film is really ________. I laughed all the way through it.
A. amuse
B. amusing
C. amusement
D. amusingly
