[ Grammar ]
Choose the correct word or word pair that completes the sentence.
I ________________ called the airport earlier.
_____
A. could have
B. could of

Random Topics:
Simple TensesGrammar : can, could and be able toPassive Voice, Question Tag, PrepositionsIF CLAUSEPast Simple, Present Perfect TenseSimple Past TensesUnless If First ConditionalOffering HelpGrammar ( going to)Modal VerbsOther quiz:
Vocabulary › Viewa brightly colored tropical bird that is often kept as a pet
A. ground
B. parrot
C. neighbor
D. panic
Grammar › View
A: How much of that energy drink have you had?
B: Only ……………….. . I’ve been drinking a lot of water, though.
A. few
B. a few
C. little
D. a little
Grammar › ViewIt _______________ that the company is planning a new advertising company.
A. is thought
B. is been thinking
C. will be thought
D. would be thought
Gerunds and Infinitives › View
Jennifer has helped her mom _____________ the holiday trip of the family many times
A. to plan
B. planning
