1. It takes Lan 30 minutes to pick 10 kilograms of apples, but it takes her sister only 20 minutes. (fast)
--> Lan's sister
2. It is quite easy to find an entertainment center in ta city, but it is not easy to find one in the countryside.(hard)
--> Finding
3. I went to the party early at 7 pm. However, she had already been there.(early)
--> She went
mn giúp em vs T^T