Chinese Pemier Wen Jiabao _______ open the 2010 Asian Games in the middle of the Pearl River on Haixinsha Island.[ ]

Mother wants to spend some time chatting with me _________ she is very busy every day.

Some ______ and ______ will come to visit our school next month.

Other businesses, such as insurance companies, are more concerned with acquiring a central position so that they are ______ to the urban population.

下列各句中，没有语病的一句是(　　)