1 . 用所列短语的适当形式填空

arrange for sb to do sth; be delighted to do sth; break away from; break down; consist of; divide … into; leave out; take delight in; take the place of; to one's credit

1. He is a hardworking and he __________ working out hard problems.
2. It is greatly __________ that you have overcome such difficulties.
3. She was so careless that she __________ a "c" in "account".
4. He suggested that our class should be__________ five groups.
5. A team of researchers trained three Rhesus monkeys to associate 26 clearly different symbols __________ numbers and selective letters with 0-25 drops of water or juice as a reward. (2019Ⅲ)
6. Airplanes cannot completely__________ trains.
7. If the car should __________ on the way, you would have to walk back.
8. We will __________ a car to meet you at the airport.
9. I was encouraged to __________ old forms and rules.
10. I am __________ that most students can speak English more fluently now.