GrammarQuiz.Net > Gerund vs. Infinitive
They prohibit …………… inside the building.
A. Smoking
B. To smoke
C. Smoke
Future Perfect Continuous TenseConditional Sentence Type 1Quotation Marks
How to use : Read the question carefully, then select one of the answers button.
Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.