IfonlyI_____howtooperateacomputerasyoudo!
A. hadknown
B. wou欤?know
C. shouldknow
D. knew
查看答案
Itissurprisingthathe____atthemeeting.
A. was
B. be
C. is
D. were
--Doyouthinkhewilldomeafavor?AsfarasIknow,heisthelastonetohelpothers.He____bepreparedtogiveyouahand,though.
A. might
B. must
C. can
D. should
微信支付 
支付宝支付