[ Grammar ]
The moon ____ the planet every 27 days.
A. manned
B. orbits
C. colonizes
D. spacecraft

Random Topics:
Simple Past/Past ProgressiveClauses and ConjunctionsPresent Perfect and Present Perfect Progressive TensesModals and InversionImperative SentencesIf/Unless - Conditional type 1Grammar for TOEFLWas & Were QuestionsAdverbial PhrasesGerund vs InfinitiveOther quiz:
Simple Present Negative and Question › View………….. Robert’s parents like his new car?
A. Do
B. Does
Tenses › View
They _____ us only one letter since they _____ married.
A. wrote / have been
B. have written / were
C. wrote / were
D. had written / have been
E. have written / had been
Tag Questions › ViewYou don’t have any chocolate, _________
A. does you.
B. don’t you.
C. do you
D. did you.
Modals and Responsibilities › View
She is ___ her younger siblings.
A. must
B. need to
C. have to
D. responsible for
