Take your bank card with you when on a business trip，_________ can save you a lot of troubles．

— Where did you get robbed of your handbag, Madam?
— It was at the stop ______ I usually wait for my bus for work.

He wrote a letter ______ he explained what had happened in the accident.

There’s an old saying ____ goes, “An apple a day keeps the doctor away.” This is especially true in the US, ____ apples are a huge part of food culture.

Then moment _________ Mary will always remember is _________ Mr. Black gave her a lot of valuable advice on how to improve her writing.

Whether you like it or not，we live in a community_____ on--line chatting is an important part of communication．

Our country should set up more national parks        animals can live freely.

Every time Ashtita tries to break a record, he reaches a point ______ he feels he cannot physically do any more．

At present, there are many instances          the governments distribute money to the citizens worldwide, but the sources of fund are still limited.

There are two buildings in our new school, ________ stands nearly a hundred feet high.