Linda ______ the space museum after school yesterday.
The teacher told me _________when I left the classroom.
There ______ a large number of students in our school. The number of the students _______ over three thousand.
There is a test tomorrow. So Tom is busy _______ for it.
The wetland can ________ food and shelter ______ plants and animals, including different kinds of birds.
You will find _______ useful to learn even a little English.