Susan, _______ university student from Europe, teaches me _______ art in her spare time.
| A．an; / | B．a; the | C．an; the | D．a; / |
Deeply _____, I thanked him again and again.
| A．move | B．moved | C．moving | D．to move |
_____ if he had any difficulties, he made no answer.
| A．Ask | B．To ask | C．Asked | D．Asking |
_____ hard, you will succeed.
| A．Having worked | B．Being worked | C．To working | D．Working |
We walked as fast as we could, _____ to catch the 9:30 train.
| A．hoping | B．to hope | C．we hoped | D．being hoped |
It is no longer a question nowman can land on the moon．
A．that B．if C whether D what