—David, are you listening to me?—Sorry, Dad. I ________ to make sense of what the reporter said.

－How long has your grandpa ______?－For about 3 months. 

There was going to ___ a struggle between her two friends. She doesn’t know __ to deal with it.

—What will Jack do on vacation? — He’ll go to Disneyland if he _________ enough time. 

       of the students in our class      money to the quake-hit areas these days.