Jane said she would come here ______ 9:00 and 9:30 tomorrow morning. [ ]

What _______ if you don’t finish your work on time? — Mrs. Brown will be very angry.

Nancy spent half an hour _______ playing the piano every day.

The students are going to raise some money the poor the afternoon of May 21st.[ ]

I study really hard ________ I can make my dream come true.