You can’t imagine what great trouble I had ____ his address.

re anything else I can do for you, Jeff—No. Thanks. I really appreciate whenyou lent all your notes to me before the exam.

Look! The workers ________ some subways now. the traffic in Nanning will be better soon.

The nurse won’t leave her patients ______she’s sure they are all taken good care of．

Michael Jackson, a superstar, ________ at the age of 50 in Los Angeles.