The teacherscame for a visit are foreigners.

Alex: Why are you still here? It’s almost eight o’clock. Tom: Because I my work. Don’t worry. It’s almost done.

There are _____________ people in the supermarket. It’s so crowded.

He began to learn the accordion at the age offour.(选出与画线部分意思相同的选项)[ ]

If prices rise too high, the government has to do something ______ it.