Why not_______ and enjoy some music?
| A．stop to study | B．to stop studying |
| C．stop studying | D．to stop to stud |
_____ he tried his best, he failed at last.
| A．Yet | B．But | C．Though | D．However |
Mark is telling his parents _____ he saw on the way home just now.
| A．which | B．where | C．what | D．Why |
She has some trouble _____ out the math problem.
| A．work | B．to work | C．working | D．Works |
You have to adapt_____ the new environment when you go to a new place.
| A．with | B．to | C．for | D．On |
I want to know _____.
| A．who will you go there with | B．who will you go there |
| C．who you will to there | D．who you will go there with |