[ Science ]
The blanket of air that envelops the earth is called _________ ?
A. Upper crust
B. Hydrosphere
C. Lithospere
D. Atmosphere
Random Topics:
Comparatives and ConjunctionsInfinitives and ING FormsGrammar (want to/ need to/ have to)Grammar - direct/indirect objectsSpeech TensesComparative AdverbsAction vs Linking Verbs/ Verb PhrasesVocabulary and PrepositionsGrammar - TOEICIndependent ClausesOther quiz:
Modals › ViewA: Hopefully, Peter booked the tickets for us yesterday.
B: He ——- them yesterday. The booking office is closed on Saturdays.
A: Oh well, I’m sure he’ll order them tomorrow then.
A. had better not book
B. hasn’t booked
C. couldn’t have booked
D. needn’t have booked
E. wasn’t supposed to book
Grammar › View
I _______________ a purse on the ground just now.
A. find
B. finds
C. found
D. am finding
Sentence Structure › ViewIf you do your homework, your grades will improve.
A. Simple
B. Compound
C. Complex
D. Compound-Complex
Grammar › View
While __________ EMAIL the computer suddenly went off.
A. i am writing
B. i had written
C. i was writing
D. i had writen