The last thirty years _________ the quick development in almost every field in China.
#103107
A
have searched
B
have released
C
have seen
D
have determined
推荐题目
Every minute ________ spoken English.
#102383
A
was made use of to practise
B
was made use of practicing
C
was made use to practise
D
was made use to practicing
Being popular with children, these toys ______ well and _____ in two days. 
#99118
A
sell; sell out
B
are sold; are sold out
C
are sold; will be sold out
D
sell; will be sold out