[ Tenses ]
We ____ in the doctor’s office for two hours before they called our name.
A. Been sitting
B. Had sat
C. sitting
D. Had been sitting

Random Topics:
Degrees of ComparisonRelative Clauses and Past PerfectCompliment, Congratulation, and HopeContractions and Conjunctions“Put” Phrasal VerbArticles with Proper NounsBare Infinitive and To InfinitiveNoun / Pronoun-Ing and Infinitive Verb PatternsPresent Simple & Present Continuous TensesOther quiz:
Grammar › ViewFranco __________ like eating English breakfast.
A. don’t
B. doesn’t
C. aren’t
D. isn’t
Grammar - too & enough › View
My trainer says that I play___________ to win the match.
A. well enough
B. too well
C. enough well
D. well much
Grammar › View    he is eighty years old, he’s well and seldom sick.
A. Although
B. If
C. When
D. Because
Grammar › View
Which sentence uses the correct article?
A. A sun is a star at the center of a solar system.
B. An sun is a star at the center of a solar system.
C. The sun is a star at the center of a solar system.
