It is important to ___ you knees when you lift heavy objects.
a. vend
b. bend

Random Topics:
Verbs and PrepositionsPrepositions Of PlacePassive Voice with ModalsVerb Forms and PrepositionsConjunctions & PrepositionsCountable and UncountablePast TensePresent Perfect vs Past Simple TenseSimple Present and Past TensesPassive Modals in Different TensesOther quiz:
Sentence Transformation › View“I can’t explain this rule to you”, said my classmate to me.
A. My classmate told me he can’t explain that rule to me.
B. My classmate told me he couldn’t explain that rule to me.
C. My classmate told me he couldn’t explain that rule to you.
D. My classmate said me he couldn’t explain that rule to me.
Present Simple Tense › View
Using adverbs of frequency with present simple tense: Complete the sentence with the correct adverb of frequency: He ___________ goes to the gym.
A. sometimes
B. rarely
C. always
D. never
Vocabulary and Grammar › ViewI was not at home _____ he came to see me yesterday.
A. when
B. until
C. as soon as
Past Tenses › View
How fast (you/drive) when the accident (happen)?
A. did you drive, happened
B. did you drive, was happened
C. were you driving, was happened
D. were you driving, happened