Nurses have to be sensitive _____ patients’ need and responsible for them

(2013·天津高考)If he had spent more time practising speaking English before, he ________ able to speak it much better now.

I wonder why Jenny ____ us recently. We should have heard from her by now.

He goes to work early on workdays _________ Saturdayand Sunday.

When will the meeting ______?— At about 11 o’clock.