John didn’t go to bed ______he finished his homework. A.until B.after C.while
—Must I take medicine every day?—No, you .A.must B.mustn’t C.needn’t
—Who taught Japanese?—I learned it by .A.your, myself B.yourself, me C.you, myself
—Would you mind us in the game?—Not at all.A.join B.joining C.join in
It’s bad for your eyes to read books the sun.A.under B.to C.in
I don’t feel well. I don’t feel like .A.eat anything B.eating anything C.to eat anything