On stepping into the room this morning Iwas astonished to find the floor covered with______looked like tinyinsects

Many kinds of animals and plants die _________ every year.

The teacher’s efforts ______ when one of his students was admitted to Beijing University last summer.

The new law says that people_______ drive after drinking wine.

Every student as well as teachers who_______ to visit the museum ______ asked to be at the school gate on time.