— I phoned you at 7 yesterday evening but nobody answered.— Oh, I _______my dog in the park then.
You’ ll feel better as long as you ___ the doctor’s advice.
I can’t find my English book. I must ___ it at home this morning.
--Who did you ___ in the street last Sunday?---Lin Tao, a good friend of mine.
Something ___ to save our earth. Do you think so?
I’ m sorry, I mistook you ___ your sister ___ mistake.