I’m afraid we can’t complete the project on time. Shall we try to get the deadline ________ till the end of this month?[ ]

下列各句中，没有语病的一句是

Yesterday there wasn’t time for breakfast, so she had to _____ without. [ ]

We are glad to see the suggestions _____ by the Students’ Union have turned out to be working ratherwell. [ ]

September 30 is the day_______which you must pay your bill.