[ Grammar ]
a dome-shaped muscle at the base of the lungs
A. diagram
B. diaphragm
C. dialogue
D. dialect

Random Topics:
Adverb of FrequencyPresent Simple x Present ContinuousTransportation VocabularyFuture FormsNoun ClausesPresent ContinuousPast Progressive TenseVerbs: Will & Going toTenses and ComparisonsAdverb or AdjectiveOther quiz:
Modals › View___ we go to the beach tomorrow?
A. Should
B. Shall
C. Can
D. Would
Tenses › View
The vehicle ____ smoothly right now, during the test drive.
A. is running
B. runs
C. ran
D. will run
