On average, the footprints discovered are 14 to 18 inches long, 5-9 inches wide and much larger than _____ of a human.
| A．that | B．ones | C．those | D．one |
It is ten years ____he graduated from the university.
| A．that | B．until | C．since | D．from |
_______he grew older , he began to go deaf.
| A． As | B．When | C．While | D．With |
Can you tell me ______to the station?
| A．how can I get | B．how I get | C．how I to get | D．how to get |
By the end of last year, we _________seven hundred English words.
| A． learned | B．have learned | C．had learned | D． would have learned |
------I’m afraid I can’t finish the book within this week. ------______.
| A．Please go ahead | B．That’s right | C．Not at all | D．Take your time |