问题
选择题
When ___you _____ your breakfast this morning? At 6.00.
A．have, had
B．did, have
C．are, have
D．has, had
答案
答案：B
因为have是行为动词，变成一般疑问句时，要借助于助动词do/does/did，故选B
搜题请搜索小程序“爱下问搜题”
When ___you _____ your breakfast this morning? At 6.00.
A．have, had
B．did, have
C．are, have
D．has, had
答案：B
因为have是行为动词，变成一般疑问句时，要借助于助动词do/does/did，故选B
