Butterflies body temperature affects their ability to fly; their temperature must be under 86 degrees Fahrenheit.
A. NO CHANGE
B. Butterflies’ body temperature
C. Butterfly’s body temperature’s
D. Butterfly body temperature’s

Random Topics:
Simple Past - Irregular VerbsThings in EnglishVerb to haveModals and Comparative SuperlativeSimple Present & Present ProgressiveTo Infinitive or Bare InfinitiveConnectivesVerb + Infinitive or GerundFew, a few, little, a littlePreposition and ConjunctionOther quiz:
Grammar › View“The laugh of the child” would be written as
A. the children’s laughs
B. the child’s laugh
C. the childs’ laugh
Grammar › View
Our flight is going to be delayed. Let’s relax and enjoy a quiet dinner. (as)
A. Our flight is going to be delayed as let’s relax and enjoy a quiet dinner.
B. As our flight is going to be delayed, let’s relax and enjoy a quiet dinner.
C. Our flight is going to be delayed, as let’s relax and enjoy a quiet dinner.
D. As our flight is going to be delayed let’s relax and enjoy a quiet dinner.
Grammar › ViewTick the model verb.
‘ you most listen to the teacher.’
_
A. you
B. listen
C. most
D. teacher
Modals › View
The boy……climb the tree.
A. must
B. must not