Why are your eyes so red？You________have slept well last night.—Yeah，I stayed up late writing a report. (

So difficult ____that no one could ___ a good solutionto it

（2012无锡）—Why is the traffic today moving so slowlyWe are running late！—Calm down．Let’s take________route（路线）．—Turn left over there．

How’s your new babysitter?— We ________ ask for a better one. All our kids love her so much.[ ]

To children, good habits do not come , so parents and teachers need to be their role models[ ]