_____________ we all know is that destroying nature means destroying ourselves.
| A．what | B．Which | C．That | D．It |
The Internet was flooded with a game called the Ice Bucket Challenge(冰桶挑战), ________ raise people’s awareness of a disease named ALS.
| A．aims to | B．aiming to |
| C．aim to | D．aimed to |
Life is a race ________ people gain growth and experience through cooperation and competition.
| A．on which | B．from which |
| C．during which | D．in which |
The stadium which is being built in our city for the next Asian Games will be _____ the old one.
| A．twice as big as | B．as twice as bigger |
| C．as bigger as twice | D．twice as bigger as |
—The luggage is too heavy for me to carry.
—You can have someone strong enough_______ you a hand.
| A．to give | B．give | C．giving | D．to have given |
No matter how __________ she brushed the old pot, she could not make it completely clean, which made her very upset.
| A．roughly | B．occasionally |
| C．instantly | D．thoroughly |