Question 1:
People who ....... their neighbors' doors and ask if anyone has seen their pet instead of just calling are more*^*likely to find it.
A. knock off
B. knock out
C. knock on
D. knock up

These questions are from this test. Would you like to take a practice test?

Phrasal idioms with the verb 'knock' | B2 – Upper-Intermediate

  • 10 minutes
  • 10 questions
Do test

Some questions from the same exam

Some other questions you may be interested in