Professor Jordan gave us _______ lecture this afternoon and most of us were confused.
| A．a more confusing | B．more confusing a | C．a most confusing | D．the most confusing |
The first textbooks _____ for teaching English as a foreign language came out in the 16th century.
| A．being heard | B．to be written | C．being written | D．written |
I can’t _____ you running up and down all day long.
| A．permit | B．let | C．have | D．allow |
Why do you have the water _____ all the time?
| A．ran | B．to be running | C．running | D．being running |
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 |