【请帮我解释下列英语问题.1Hemadeanotherwonderfuldiscovery,___ofgreatimportancetoscience.AwhichithinkisBwhichithinkitisCwhichithinkitDithinkwhichis为什么选择A.2Thewolveshidthemselvesintheplaces___couldn't】
请帮我解释下列英语问题.
1Hemadeanotherwonderfuldiscovery,___ofgreatimportancetoscience.
Awhichithinkis
Bwhichithinkitis
Cwhichithinkit
Dithinkwhichis
为什么选择A.
2Thewolveshidthemselvesintheplaces___couldn'tbefound.
AthatBwhereCinwhichDinthat
为什么选择A
3Isthistheplane___hecametoNewYork?
AwhichBbywhichCthatDinwhich
为什么选择B
4Shelikestousewords___iscleartohim.
Aofwhichthemeaning
Bofwhichmeaning
Cwhoseofmeaning
Dmeaningofwhich
为什么选择A
5Hehendmeseveralbooks,___wereverygood.
Afiveofwhich
Bofwhich
Cwhichoffive
Dfive
为什么选择A.