[ 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:
Conjunctions and Transitions › ViewShe loves art; __________, she spends her weekends painting.
A. In fact
B. Especially
C. Moreover
D. On the other hand
Adjective and Adverb › View
Our teacher is ………………..
A. strict
B. strictly
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
