The couple are spending their holiday on _____isdescribed as one of the most beautiful islands.

_____ the government recovers the vehicle purchase tax and the oil prices go up continuously, the sales of the vehicle in China are still increasing every year.

ve to take some necessities such as ropes, aflash, boots, ______ you may get lost in the mountain if going hiking.

He has some trouble ____ his classmates but he has no trouble ____ doing his lessons[ ]

Where do you think ______ the grammar book