Trả lời: 1. It takes a long time to learn a language.2. Laura and Beatriz are going to travel abroad this summer.3. Antonio wants to run the Chicago Marathon.4. My son graduated from high school in June.5. Cesar got a scholarship last month.6. Mrs. Sanchez...
Trả lời: _d_ 1. He has gotten d. two scholarships in the last year._e_ 2. Have you graduated e. from college?_f_ 3. Eva has learned...
Trả lời: 1. _e_ What happened when they were waiting for the bus?e. It started to rain.2. _b_What were the students doing when the teacher came to the classroom?b. They were reviewing their notes.3. _f_ What were the children doing in the park while their moms were chatting?f. They were playing hide-and-...
Trả lời: 1. We were talking about an important exam when someone entered our study room without knocking.2. When the school bus arrived, I was chatting with my friends.3. James was playing basketball when he fell and hurt his ankle.4. We were waiting anxiously while the teacher...