__________ can you expect success.
| A．By working hard | B．Working hard |
| C．Only with hard work | D．Through hard work |
It took me quite a long time to ________the new environment here.
A. adapt to B. relate to
apply to D. attach to
—I’ll call you at 9 tomorrow morning, OK?
—You’d better not, I ______ the piano then.
A. will be practicing B. am about to practice
am practicing D. practiced
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