The twins are so much alike that no one can ________one from the other.
| A．distinguish | B．separate | C．identify | D．recognize |
This is the reason he was late for class today.
| A．why | B．for that | C．which | D．that |
his being late again, he lost his job and had to stay at home.
| A．Because | B．As result of | C．In case that | D．Because of |
He was disappointed that his plan did not .
| A．go on | B．go off | C．go through | D．go out |
He took medicine 3 times a day,________ didn't work.
| A．it | B．but | C．which | D．but which |
Our teacher told us that the eartharound the sun.
| A．moves | B．moved | C．to move | D．moving |