[ Grammar and Vocabulary ]
The planets of our solar system ______ the sun, which is a star.
A. biosphere
B. orbit
C. spacecraft

Random Topics:
Modal Verbs and Gender NounsRelative Clauses & Real ConditionalsPresent Continuous TenseNouns - Word Form-IONThe Simple Present TenseMixed ConditionalsNounsSimple Past/Past ProgressivePast Narrative TensesConditional Sentence Type 2Other quiz:
Tenses › View– It smells of paint here.
– Yes, she ____ her room.
A. was painting
B. had painted
C. has painted
D. has been painting
Grammar › View
They swim every day. Look! They________.
a. swims
b. swam
c. is swimming
d. are swimming
Grammar › ViewThose Levi’s jeans look ______. I want to buy them.
A. really nicely
B. really nice
C. nice really
D. nicely really
Subject Verb Agreement › View
The data that we received ____ incorrect.
A. is
B. are
