1 . 根据句意，选择单词或短语并以其适当形式填空。

A. magnificent     B. disaster     C. ensure     D. entirely     E. by accident

1. They are twins, but they look________ different.
2. Medical workers went to rescue those in the________ area.
3. Success is the result of perseverance. It never happens________.
4. I have to double check the details to________there isn't any error.
5. The location of the house gives it________ views in three directions.

2 . 选词填空

A. observed；B.anxious；C.regularly；D.resources； E.ought to

1. I felt_____ while waiting for the test results
2. Our club members meet _______ once a week.
3. We should take action to protect the natural _____.
4. Facing new challenges, you___go all out to be well-prepared.
5. The Intemational Day of Families is_______with a wide range of events.

3 . 根据句意，选择单词或短语并以其适当形式填空。

A. dramatic       B. due to       C. destination       D. criticized       E. take into account

1. We finally chose to stay at home________ the poor weather.
2. Previous researchers measured the benefits, but did not________ the cost.
3. Last week, ________by his teacher, Tom realized the mistakes he had made.
4. Without doubt, the opening ceremony of our sports meet is extremely________.
5. With the great improvement in environment, my hometown has become an attractive tourist________.