As a party member, one should try to his duty.

单项选择题W expects to register its biggest Cyber Monday yet, coming off a record Black Friday weekend online.()

单项选择题The only games（）I play are football and tennis.

A.who
B.which
C.what
D.when

单项选择题They ( )the fire and crept into their tent.

单项选择题Last night, I had to walk home.No one would give me ( ).

单项选择题I was reading( )my friend called.