By no means true that all native speakers of English know their own language very well．
| A．is that | B．that is | C．is it | D．it is |
_______ in the fields on a March afternoon, he could feel the warmth of spring.
| A．To walk. | B．Walking | C．Walked | D．Having walked |
Students are always interested in finding out _______ they can go with a new teacher.
| A．how far | B．how soon | C．how often | D．how long |
----Are you happy with your new computer?
----- No, it is _______ me a lot of trouble.
| A．showing | B．leaving | C．giving | D．sparing |
---- Hi, Mark. How was the musical evening?
----- Excellent! Ales and Andy performed _________ and they won the firs prize.
| A．skillfully | B．commonly | C．willingly | D．nervously |
All the neighbor admire this family. _________the parents are treating their child like a friend.
| A．why | B．where | C．which | D．that |