I felt it hard to keep up with my classmates. But whenever I want to_ _, my teacher always encourages me to work harder.
.—What ________ the twins _________ on weekends? —She usually goes skateboarding.
The weather here is__________ that in Beijing.
It’s good__________your health_________.
__________he is ill, __________he goes to school.
The story is about Lei Feng.It's very ______.