[ Vocabulary and Grammar ]
Aircraft flying in …….. arcs create microgravity for tests and simulations that last 20-25seconds.
A. circular
B. parabolic
C. straight
D. oval
Random Topics:
Commas and Subordinating ConjunctionsPresent/Past/Past ParticpleElectricity VocabularyPast Continuous TenseGrammar- Later/LatterPresent Simple QuestionsGerund vs Infinitive-ing &-ed AdjectivesPresent Tenses and ConnectorsModals in the PastOther quiz:
Correlative Conjunction & Complex Sentences › ViewThis pizza is….. tender …. flaky
A. both and
B. not only but also
C. either or
D. neither nor
Linking Verbs & Helping Verbs › View
Now, Valentina _______ a big smile on her face.
A. has
B. have
C. had
Vocabulary › Viewhesitating
A. signaled, beckoned, or called
B. in a halting or pausing way; acting with reluctance or uncertainty
C. weak; having little energy
D. completely; totally
Grammar › View
There are _____________ cars on the street today! There’s a horrible traffic jam!
A. too
B. too much
C. too many
D. enough