—What _______ good weather it was!—Yes, but I love _______ air after it rains. It smells so fresh.
We should return the books to the library ______ time.
________ your help, I can’t get the information about Hawaii easily.
Lian Zhan, the Chairman of the KMT, enjoyed the scenery of the Huangpu River _______ the night of May 1st.
James is looking ________ his cat everywhere. Have you seen it ?
It’s not always necessary to look up the words ________ the dictionary while reading. Sometimes we need to guess.