【推荐1】It is a problem____________ they will support us. (用适当的词填空)

【推荐2】Cobb, for her party, started to ask conference organizers who invited her to speak ________ she could do so remotely; about three-quarters of ________ time, they agreed. (用适当的词填空)

【推荐3】But continued population losses have raised questions about _________ rural areas can do anything to reverse the tide. (用适当的词填空)

【推荐1】I think______impresses me about his painting is the colours he uses. (用适当的词填空)

【推荐2】________ is so breathtaking about the experience is the out-of-this-world scenes. (用适当的词填空)

【推荐3】________ you decide upon will not influence me, for I am not involved in your project. （用适当的词填空）