it is recommended that the system of buying It is recommended that the system of buying train tickets in real names ------ out during the Spring Festival. A.will be carried B.be carried C.to be carried D.is carried
It is recommended that the system of buying train tickets in real names ------ out during the Spring Festival 选A 后半部分是一句从句,所所以缺谓语,不能用非谓语,C不对 由时间状语during the Spring Festival知道是发生在将来的,所以用将来时,又是被动,所以选A