[ Grammar ]
Fill the blank with suitable preposition
I have been working hard …….. arithmetic.
A. on
B. at
C. for
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Grammar › ViewOther _____ school work, I have nothing left to do.
A. then
B. than
Tenses › View
While I ………………….. TV last night, a mouse ran across the floor.
A. watch
B. watched
C. was watching
D. am watching
Grammar › ViewI dislike _______ th dishes
A. cooking
B. making
C. washing
D. having
Grammar › View
I lost my keys when I ________ (walk) home.
A. walked
B. walk
C. is walking
D. was walking