Many people expect that credit cards will eventually______ paper money for almost every purchase.
A. trade B.
replace 
exchange
D. reduce
A person ________ email account is full won’t be able to send or receive any emails.
A.
who B.
whom 
whose
D.
whoever
Global warming causes the ocean ________, which in turn speeds ice melting.
A. to
warm B.
warming 
warmed D.
warm
— I’m leaving now.
— ________ sure you turn off the switch.
A. To make B.
Make 
Made D.
Making
We have a fine of the lake from our hotel window.
A. scene B.
sight 
view
D.
scenery
It’s well-known that ________ World Exposition in 2010 is quite ________success.
A. 不填;
a B.
The; a 
The;
不填 D.
不填; the
