. So absorbed _____ in her work that she didn’t realize I was behind her.
A had she B was she C she had D she was
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