【題目】_____ in charge of two classes made Mrs．Li, head of Senior Grade 3, extremely tired．

【題目】I stayed up late doing my homework yesterday, so I had trouble _____ up early this morning.

【題目】Some hard working students always keep a torch in their dormitories _____ there is a power failure．

【題目】—Were you late for the meeting yesterday?

【題目】—Does my son listen to the teacher attentively in class?

【題目】Most probably it will be another 7 hours _____ you can have next meal, so each of you must have your stomach full.

【題目】I _____ through the hard time but for my teacher’s generous and timely help．

【題目】You are hardworking and surely most of you _____ a college admission notice by the end of September this year．

【題目】China expects UN consensus ________ solving the Korean Peninsula nuclear issue through dialogue is the only practical and right choice.

【題目】 The experienced teachers try their best _____ the younger ones _____experience.