THE CLOWNS IN THE CIRCUS MADE US ... A LOT.A. TO LAUGHB. LAUGHEDC....

15. - 3500 CAU TRAC NGHIEM ON TAP AV THCS

3500 CAU TRAC NGHIEM ON TAP AV THCS

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15. The clowns in the circus made us ... a lot.

a. to laugh

b. laughed

c. laugh

d. laughing

 c