I was so excited last night that it was a long time _____I got to sleep.
| A．that | B．since | C．before | D．when |
---How much does this store often _______ for such large eggs ?
--- Only $ 65 US cents a dozen . It was a real bargain.
| A．demand | B．cost | C．pay | D．charge |
If the project ________ by the end of this month is delayed , the company is sure to pay a large sum of money for it .
| A．completed | B．completing |
| C．to be completed | D．having completed |
________ astronauts cannot go to a baseball game or a movie in orbit , there are many familiar activities that they can still enjoy.
| A．While | B．Since | C．Before | D．Unless |
--- Is there anything wrong , Tom ? You look upset .
---Oh, nothing . In fact , I ______ the coming National College Entrance Examination
| A．have just thought of | B．was just thinking of |
| C．will just be thinking of | D．would just think of |
The European Union universities are _______ most attractive because they have ______ diversity of cultures and teaching methods.
| A．the , a | B．a , a | C．a , the | D．the , the |