Environmental pollution is _____ the forest’s dying
A．leading in B．resulting in C．putting in D．contributing in
I think my friend Tony is _______to win the tennis game next Monday.
A．likely B．possible C．probable D．maybe
______ was not until the early 20th century _____ the importance of his ideas was realized.
A．What; that B．It; that C．That; so D．It ;when
The on-line diary blog is a cultural _____, perhaps as essential as usual books we read.
A．network B．phenomenon C．competition D．occupation
Jackie made _____ possible for this family to have beautiful memories during hard time.
A．it B．this C．that D．what
Only after he realized the significance of mastering two languages ______ English carefully.
A．did he set about learning B．did he set out learning
C．had he set about learning D．had he set out learning
