[ 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
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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:
Articles › ViewCan you pass me______salt,please?
A. a
B. an
C. the
Prepositions › View
Complete the sentence with the right preposition.
I find it hard to concentrate ___ anything when the television is on.
A. about
B. in
C. on
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