It has been much easier for me to go to work________ shared bikes appeared．
But they also caused plenty of problems．( )
A．sinceB．beforeC．unlessD．though
My English teacher has a good sense of humor． We all like _________．（ ）
A．sheB．herC．hersD．herself
Amy， do you know Langlang and his wife？
Of course． They play _________piano well．（ ）
A．aB．anC．/D．the
Do you want to try some wild duck？
__________． We should protect wild animals．（ ）
A．No ideaB．No problemC．No wayD．No doubt
A great deal of my time is__________ with practicing playing the guitar．（ ）
A．taken upB．made upC．put upD．set up
To my joy， we_________ go to the bank． Mary has lent us some money．（ ）
A．shouldn'tB．needn'tC．couldn'tD．wouldn't