Đáp án :
1. If they (wait) for another 10 minutes, they (see) the pop star.
had waited - would have seen
2. If the police (come) earlier, they (arrest) the burglar.
had come - would have arrested
3. If you (buy) fresh green vegetable, your salad (taste) better.
had bought - would have tasted
#chúc bạn học tốt
xin hay nhất ạ