1. Did Europeans learn to use a compass much later than the Chinese?
2. When did Europeans learn to use a compass?
3. Europeans learned to use a compass much later than the Chinese, didn't they?
4. Did Europeans learn to use a compass much later or sooner than the Chinese?
5. Who learned to use a compass much later than the Chinese?
1. Was Mike driving at a very high speed?
2. How was Mike driving?
3. Mike was driving at a very high speed, wasn't he?
4. Mike was driving at a very high or low speed?
5. Who was driving at a very high speed?
1. Was the heavy snow falling all day long?
2. When was the heavy snow falling?
3. The heavy snow was falling all day long, wasn't it?
4. The heavy snow was falling all day or all night long?
5. What was falling all day long? снег неодушевлённое существительное, поэтому не можем написать who
сделала всё по образцу