[ Gerunds ]
Smokers generally do know that smoking is extremely harmful, but it’s just that they can’t help_______it.
A. doing
B. to do
C. do
D. having done

Random Topics:
Present Perfect vs Past SimpleVerb AbilityConjunctive AdverbsTOEIC Tenses, VerbsCountable QuantifiersArticles with Proper NounsTransitive and Intransitive VerbSimple and Progressive Verb TensesVocabulary and PhrasesPrepotitionsOther quiz:
Vocabulary and Grammar › ViewThe fumes were so thick that he was ________ for breath.
A. suffocating
B. inhaling
C. gasping
D. wheezing
Grammar › View
I am tall and thin, and both my sister ______, too.
A. are
B. is
C. does
D. do
Conjunctions › View_______________________I wasn’t hungry, I ate two sandwiches and a cereal bar.
A. Although
B. Since
C. Because
D. While
Grammar › View
Justin is ________ brother.
A. Sophies
B. Sophie’s
