It is the first time I ____ to visit the Great Wall.
| A．came | B．come | C．have come | D．had come |
Perseverance is a kind of quality, and that’s _____ it takes to do anything well.
| A．what | B．that | C．which | D．why |
Do _____ you think is right _____ difficulties you may have.
| A．what, however | B．That, whatever |
| C．whatever, however | D．what, whatever |
She asked if any of the passengers knew _____ about machines or at least how to drive a car.
| A．anything | B．something | C．nothing | D．all |
We all think that he is stronger _____.
| A．than he is looked | B．than he looks like |
| C．than he looks | D．than he looked like |
____ the weather was fine, I opened all the windows.
| A．Now that | B．Since that | C．Because of | D．For |