You can’t complain about being left out ______you don’t make any effort to share your joys and sorrows with others.
In his letter, he said it was the third time that he ______ Zhuhai.
I'll show you a store ______ you may buy all _____ you need.
It rained heavily. And it was very kind of him to _____ his umbrella with me.
I was so excited that I ________ for the whole night.
The young physics teacher couldn't _______ her words ________ by the students.