--- Excuse me, could you tell me _____________? --- Sorry, sir, I wasn’t there at that time.how did the accident happen B. how the accident happened C. how does the accident happen D. how the accident happens
—He didn’t come to school yesterday,did he? —,he was ill in bed.
—You are late. The meeting __________for about ten minutes.
--Hi,where are you going?See what the sign______! --Sorry,I__________it.
Mary doesn’t do her homework _______,so she always makes a lot of mistakes.
— Jim, remember to return this book by Friday. — ________.