giúp em nhanh đc kh ạ em chỉ cần đáp án thuii

4. I hope they this road by the time we come back new summer. A. will have repaired C. repair 5. He... B. have repaired D. repaired .us up when he arrives in England? B. rings. D. rung A. ring C. will ring 6. I. .here till he comes back, A. wait C. have waited 7. "What happened to your ...