—Why are you late today．Mary?—I’m sorry，Mr Li．My bike ________ on the way．

—Beg your pardon, but I didn’t quite catch what you said.—Oh, I         to myself.

Jane’s parents suggested that she ______ a medical examination.

When the old man_____to walk back to his house，the sun____itself behind the mountain．

---Is everyone here? ---Not yet. Look, there_______ the rest of our students!