[ Idioms ]
To “think up” is to ___ something.
a. aim for
b. improve
c. invent

Random Topics:
Present Simple/AffirmativeSubordinate ConjunctionsSo / Neither / Either / TooTenses - Pasive VoiceConditional 0Grammar - Be going toVerb-ing or to VerbGerund vs InfinitiveInterjections, Tag Questions and Nouns of Direct AddressBasic TensesOther quiz:
Phrasal Verbs › ViewMr. Thanh ______ the day-to-day running of the company while his father was away.
A. lived on
B. set off
C. took over
D. dealt with
Prepotitions › View
The girl was dressed _____ silk.
A. in
B. of
C. from
D. at
Grammar › ViewThere _________twenty pairs of sandals
A. is
B. are
C. aren’t
D. isn’t
Grammar › View
My flight leaves at 7:55 pm. When does _____ leave?
A. yours
B. him
C. her
D. us
