The teacher as well as 6 girls and 8 boys from her class ________visiting a museum when theearthquake struck the city[ ]

When you leave， please turn off the lights _______energy.

I’m not________up so early yet but I have to________myself to it.— Yeah. Just as the saying goes, “An early bird catches the worm”. [ ]

There is a story here in the paper about a 110-year-old man.–My goodness! I can’t imagine ______that old. .

We should advance step by step and not reach ______ what is beyond our grasp