英语倍速题We are all students .It's our duty ---- (study) hard .-

英语倍速题
We are all students .It's our duty ---- (study) hard .
------ (ride) a bike is good for the health .
------ (eat) too much can get you a stomach ache .
Reading books in the morning ---(be) good for your study .
It's time .for you ----(do) your homework.