The world is changing with every minute， and China___________ with every minute，too．（ ）
A．is changingB．had changed
C．changed
Kunqu Opera is_____thought to be one of the symbols of Suzhou． Don't miss it during your stay here．（ ）
A．hardlyB．widelyC．suddenlyD．badly
Check what you have written_____you hand in your application form．（ ）
A．sinceB．beforeC．afterD．while
Tony， come over． What do the letters"KIT"mean in the text message？
Don't you know that， Amy？ They_____"keep in touch"．（ ）
A．search forB．ask forC．go forD．stand for
Mum， why do I have to wash hands so many times a day？
For your health， you______be too careful．（ ）
A．can'tB．shouldn'tC．mustn'tD．needn't
I don't care how many words there are in your article， but the_____of it really matters．（ ）
A．abilityB．sizeC．qualityD．energy