Giúp em với ạ thank .

6. " A. Could you like to play a game of tennis?" "I'd love to." B. Will 7. His letter is full of mistakes. He before sending it. A. must have checked C. could have checked 8. "I bought two bottles of milk." we have heaps of it in the house." A. couldn't B. needn't C. Do D. Would _ the ...