— Many students don’t know how to _____ stress (压力)and become worried.— I think they can ask their teachers for help.
I met Li Lei_____ hospital last Sunday. He was ill_____ hospital then.
The earth will become worse and worse ________ we do something to stop her from being polluted.
I _______ riding my bike________ taking buses to school.
— Can you come and play football with me?—______. I have a lot of homework to do.
Soft colors like pink and light blue make people _______, so they spend more time _______their meals.