The two girls look_______, but they have _______ hobbies.

Problems _____ because they were lack of communication.

_______ it rained heavily, ________ all the students came to school on time.

Statistics show that in the past three decades grain production around the world has ______ sharply butit still can’t ______ the rapid growth of population, as a result, a lot of people in undeveloped countries have to go hungry. [ ]

You can find whatever you need at the shopping centre, ________ is always busy at the weekend.