---How do you often spend your spare time? ---Personally speaking, there is nothing happier than reading a book, ____ a cup of tea.

The computer doesn’t work well and it requires _____ but the manager requires me _____ to use it.

The research group ____________ 15 members has made great achievements in recent years.

_______, according to the instructions, the medicine, I think, will work on your headache before long.

She was supposed ______ at home at the moment, but her mother found her in the park.