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