She spends her money _________ books _________ on clothes.
If you are going to stay in the United States for longer than a(n) ______ visit, you may be interested in learning more about its people and culture.
I’d __________ it if you could fix my laptop as soon as possible. I need it to prepare for my lecture next week.
My friend Martin was very sick with a strange fever; ________, he could neither eat nor sleep.
Car control is a topic _________ Beijingers have argued for a long time.
The _______ of large supermarkets, such as Lianhua Supermarkets, has sounded the death knell(钟)of the local shops.