5. Sorry I‘m late, but I..............................feed my little son before leaving home. A. needed B. must C. had to D. was to Giải thích……………………………………………………………………………………………………. 6. Smith writes very quickly. He‘s .........................finished his essay. A. already B. been C. for D. yet Giải thích……………………………………………………………………………………………………. 7. What are you going to do? - I don‘t know. I haven‘t made................my mind yet. A. on B. at C. in D. up Giải thích……………………………………………………………………………………………………. 8. I‘ve ..............................to Paris. I went there in March. A. been B. gone C. just D. yet Giải thích……………………………………………………………………………………………………. 9. This is the first ..................... I‘ve ever lived far from home. A. already B. since C. that D. time Giải thích……………………………………………………………………………………………………. 10. What did the girl say ........................? A. at you B. for you C. you D. to you? Giải thích……………………………………………………………………………………………………. 11. Phong rang his friend in Nha Trang yesterday, and he said it ..............raining there. A. was B. is C. should be D. to be Giải thích……………………………………………………………………………………………………. 12. The last time I saw Khang, he looked very relaxed. He explained that he‘d been on holiday the ........................week. A. earlier B. following C. next D. previous Giải thích……………………………………………………………………………………………………. 13. We wonder ........................the tickets are on sale yet. A. what B. when C. whether D. where Giải thích…………………………………………………………………………………………………….