A.to sit/tying
B.sitting/tying
C.seating/tied
D.seated/tied
A.错误
B.正确
A. would
B. might
C.did
D. could
A.错误
B.正确
-Whose advice do you think I should take? -___.
A. You speak
B. That's it
C. It's up to you
D. You do it
A. enough old
B. enough older
C. old enough
D. older enough
A. complex
B. radical
C. worthwhile
D. permanent
A.错误
B.正确
A.错误
B.正确