[ Conditional Sentences and Verb Form ]
Mary thanked us for ____________her to dinner.
A. invite
B. inviting
C. to invite
D. being invited

Random Topics:
Present Continuous for FutureModal and Relative PhrasesPassive and Active VoicePresent, Past, and Future TimeIndefinite and Intensive NounFirst and Second ConditionalVocabulary and PrepositionsConjunctions, Interjections and Sentence TypePresent Perfect or Past Simple TenseRelative Clauses with who and whichOther quiz:
Grammar › ViewWhich sentence uses the correct article?
A. A life cycle of a star has several stages.
B. An life cycle of a star has several stages.
C. The life cycle of a star has several stages.
Grammar › View
You use the expression BY THE TIME with:
A. Present Perfect
B. Past Continuous
C. Past Perfect
Grammar › ViewYou have ignored repeatedly all my warnings.
A. Correct
B. Incorrect
Grammar › View
There was also many accomplished sailors in China.
A. Change was to were.
B. correct as is
