About ______ of the books in our school library are written in Chinese.

One Friday, we were packing to leave for a weekend away _______ my daughter heard cries for help.

They had a party _____ the evening of October 1.[ ]

I feel it hard to keep up with my classmates. But whenever I want to _______, my teacher always encourages me to work harder.

The child tiptoed quietly to the bird, _____ into the forest when he was about to catch it.