I’m worried about my English.—_____ harder, _____you will catch up with your classmates.

I like your shorts. Where did you buy_______

up with ________ bad headache, yetby ________ evening the pain had gone.

Einstein liked Bose’s paper so much that he________his own work and translated into German.

ys, there is a____ increase in children’s creativity,for they are greatly encouraged to develop their talents.