[ Past and Present Continuous tense ]
He ______ a diorama for the science fair with to-scale models of the planets, moons, and asteroids.
A. Designs
B. Had designed
C. Is designing
D. Was designing

Random Topics:
TOEFL GrammarInversion + Passive VoiceAdjectives and VocabularyNoun, Adjective, and Adverb ClausesConjunctive AdverbGrammar : Must (Necessity)Simple and Continuous TensesVerbs: Action, Linking, and HelpingGerund vs InfinitiveGrammar - TOEICOther quiz:
Adjective › ViewHe sat behind a ________ desk.
a.big wooden brown
b.big brown wooden
c.wooden big brown
Grammar › View
Which of these sentences is written correctly?
A. Where did you put my shoes.
B. Where did you put my shoes?
C. Ware did you put my shoes?
D. Where did you put my shuze?
Grammar › ViewThe cat scratches _____ with its paw.
A. itself
B. himself
C. herself
D. yourself
Phrasal Verb › View
What does “look up” mean in a dictionary context?
A. ignore
B. search
C. refuse
