When you are planting trees, the trees ________ straight in the hole.

一_______ the sports meeting might be put off(推迟).
一Yes, it all depends on the weather.

—How long ago ______ you ______ the English Club?  —I ______it since two years ago.

---Tommy, do you know if Frank ______ to the theatre with us this Sunday if it ______?
----Sorry, I have no idea.

It’s reported that a light rail from Nanjing to Lishui        by the end of 2015.

Trees and flowers ________every year to make our country more beautiful.

—It’s said the Nanjing Airport light rail_________ into service in two months.
— That’s great! It will be fast to go to the airport.

These books mustn’t ________ out of the reading room. You have to read them here.
A. take                    B. be taken            C. be taking

— Mom, my classmates are playing outside. Can I join them?
— Not until your homework       .

—Who        her father?
—He must        by that policeman.