We have been friends for nearly twenty years. Nothing can break off our _______.
| A．friendship | B．pleasure | C．decision | D．experience |
In our city, ________ college students want to work as a teacher in holidays.
| A．thousand | B．thousands of | C．thousand of | D．two thousand of |
I don’t like eating chocolate. The taste is too ________.
| A．crispy | B．delicious | C．salty | D．sweet |
-- Look at the boy running on the ground. Is it David?
-- It _______ be him. I saw him go to the teacher’s office just now.
| A．might | B．could | C．can’t | D．mustn’t |
They’ve got two machines, but ________ works well.
| A．neither | B．either | C．all | D．both |