1. I can't help you. I'm .... at English. A. good B. bad C. weak D. well 2. We are very pround ....our school. A. in B. at C. about D. of 3. He arrived.........Thailand.......Saturday evening. A. in-on B. in-X C. in-at D. at - on 4. We wish we .......... a plane. A. flew B. could fly C. fly D. did fly 5. ''Don't try to open it'', she said to us. A. She told us not try to open it. B. She told us not to try to open it. C. She told us don't try to open it. D. She told us not to try opening it. Chọn đáp án đúng và giải thích giúp mk nha.