问题补充:
单选题Bothofmyparentsinsist______acomputerforme,butIdon’tthinkitisnecessary.A.to buyB.on buyingC.buyingD.in buying
答案:
B解析insist on doing sth.是固定搭配的短语,on为介词,后面动词接ing形式。所以正确
时间:2019-09-19 05:29:36
单选题Bothofmyparentsinsist______acomputerforme,butIdon’tthinkitisnecessary.A.to buyB.on buyingC.buyingD.in buying
B解析insist on doing sth.是固定搭配的短语,on为介词,后面动词接ing形式。所以正确