--- How soon will the boss come back?
---__________ about three days.
| A．For | B．After | C．In | D．During |
Mr. Green likes traveling. This summer he is going to Spain for.
| A．study | B．training | C．vacation | D．business |
My parents areteachers. They work in the same school.
| A．either | B．both | C．all | D．each |
—are you going to London?
—By plane.
| A．How | B．When | C．Why | D．Where |
All the living thingson the sun.
| A．depend | B．spend | C．look | D．go |
It’s important ______ us ________ some good books.
| A．for, read | B．to, to read | C．to, reading | D．for, to read |