— Emma failed her exams. I think she should work harder.— I agree. _____she does, she’ll get good grades.
— Are these your books? — No, they’re .
—he? — He’s my cousin.
name is Bob, is eleven years old.
_______, or you’ll fail the exam. A. Studying hard B. Study hard C. To study hard
People along the river didn’t allow them to ________ a factory so as not to pollute the water.