【题目】S________is the best season for planting trees.

【题目】It is cold outside. We must keep all the windows c________(关)．

【题目】My teacher was so satisfied _____ Henry’s composition that he read it for us in class.

【题目】Though the dishes were so so, it seemed that my father was pleased with his journey.

【题目】The book store is far away from here. You'd better____________.

【题目】I can ______ the guitar.

【题目】________ do you usually deal with your old clothes?

【题目】—I'm hungry, Mom.

【题目】_________interesting dolphin it is!

【题目】I bought a robot ________ have more free time.