1. I don't know how I can recognize her.
2. This is the first time the whole international society must face the same global problems.
3 until got seriously ill, he didn't know the importance of health.
4. A friend of mine in the garden after dinner sit alone.
5 before going shopping in, I often buy things must make a list.
1. I do not know for so many years later I still recognize her. 2. This is the first time the entire international community have to face the same global problem. 3. Until, fell seriously ill, he was aware of good health. 4. I have a friend after dinner, often sitting alone in the garden. 5. In the street to buy something, I often have to buy something to set out a list.
1.（i wonder if）
2.（it is the first time that）
5.（make a list of）
1. I did not know such many years have passed by I whether also can recognize her. 2. this are the first entire international society must result in faced with the identical global question. 3. until has lived serious illness, he only then knows the health the unimportance. 4. I have the friend supper often to sit alone in the garden. 5. in takes to the streets goes shopping, I often the thing which must buy list a bill.
1) I don't know if, after so many years, i can still remember who she is.
2) This is the first time ever that that the entire internatinal society has to face the same global problem.
3) He finally realized the importance of healthy after suffering a very bad cold.
3) A friend of mine often sit alone in his garden after having dinner.
4) I always write out a list before going on shopping.