My classmates have already watered the plants., Has it rained all day long?, Students still haven't finished writing., Have they studied for the exam yet?, We have never met a famous person., She has just come back for work., I haven't cleaned my room yet., Our teacher and Nancy have solved the problem together., They haven't heard from him since high school., Have you ever climbed a mountain?, Nobody has ever been able to cross this river., Has he ever tried walking on his hands?,

present perfect

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？