When ___you _____ your breakfast this morning? At 6.00. A．have, had B．did, have C．are, hav
When___you_____yourbreakfastthismorning?At6.00.A．have,hadB．did,haveC．are,haveD．has,ha...
When ___you _____ your breakfast this morning? At 6.00. A．have, had B．did, have C．are, have D．has, had
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| 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 |
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