After Chang’e-3 landed on the moon on Dec 14, China became the third country _________ this after the US and the former Soviet Union.
A. having achieved B. achieving C. achieved D. to have achieved
---Excuse me, has the train from Beijing arrived yet?
--- ________, you are three quarters earlier. It's only 9 now.
A. Unconsciously B. Instantly C. Absolutely D. Actually
The speed limit for bicycles on campus is 15 mph, ___________ otherwise posted.
A. unless B. until C. since D. however
In manufacturing, cheaper materials are constantly being for the better, more expensive kind.
A. maintained B. cancelled C. substituted D. deposited
I have no idea of what is in fashion nowadays, so my choice might be quite ____ .
A. abundant B. arbitrary C. considerate D. aggressive
Every time Gina catches her employees ____________ time, she reminds them that time is money.
A. to waste B. wasting C. wasted D. waste
