Five minutes ago, Linda ________ (锁) the door and left with her mum.
We planted many trees in ________（三月）.
Check the answer on the Internet if you are ________ (不确定) about it.
Five minutes ago, Linda ________ (锁) the door and left with her mum.
With the help of the map, students found their way to the park ________ (容易地).
This nature reserve is home to more than eight ________ (百) kinds of animals and plants.