[ Grammar ]
____________ is bad for your health.
A. To smoke
B. Smoked
C. Smoke
D. Smoking

Random Topics:
Gerund or to InfinitiveCountable Vs Uncountable NounsUnreal Uses of Past TensesCountable QuantifiersPreposition after some VerbsConditional Sentence 0, 1ComparativeAdverb PhrasesAdverb or AdjectiveGrammar: Have toOther quiz:
Grammar › ViewIt’s __________ to stay up too late.
A. unhealthy
B. to
C. to exciting
D. not
Click vs. Clique › View
Did you hear the … of his door?
- click
- clique