They never have time to play a whole game _____ recess

Câu 6: They never have time to play a whole game _____    recess.
a. in
b. on
c. for
d. at
Câu 7: She‘s good _____    designing clothes.
a. in
b. on
c. at
d. for
Câu 8: The students are all happy when playing  ______           games.
a. excite
b. excited
c. exciting
d. excitement
Câu 9: We study about different countries in the  ______      class.
a. History
b. Geography
c. Math
d. Literature
Câu 10: The girls are ______          rope at recess.
a. playing
b. doing
c. working
d. skipping