The flight to Guangzhou had to be________because of the heavy snow.

science has found that _______ one is using chopsticks, over 30 joints and over 50 muscles are used, which is a favorable stimulation to the brain.

We all need partners _______.

－Excuse me, could you tell me ________－There’s an e-shop next to the bookshop. You can go there.

“______ do you like The yellow one ______the white one” “The yellow one.”