[ Prepositions ]
Aircraft pilots communicate _______ control towers.
A. at
B. for
C. during
D. with

Random Topics:
Sentence StructureSimple Past - Irregular VerbsPast TenseGrammar / PronounsConjunctions, Prepositions and InterjectionsTenses and Verb FormsHabitual and Continuous TensesGerunds/InfinitivesLinking VerbSimple and Continuous Present TenseOther quiz:
Grammar › ViewVehicles parked in front of these gates _______________.
A. are removed
B. are removing
C. will remove
D. will be removed
Grammar › View
Which word is an adjective in this sentence?
A bear can be dangerous if you stand too close to her cubs.
A. bear
B. dangerous
C. too
D. close
Helen: What_____ your sister do now?
Jorge: She works as a manager for a small hotel in Peru.
A. does
B. is
C. do
D. was
Grammar and Vocabulary › View
Choose the correct answer?
A. I am tired. I worked all day.
B. I am tired. I work all day.
C. I am tired. I have been working all day.
