1 . The teacher asked us to s________ (总结) the main points of the text in three sentences. (根据中英文提示填空)

2 . There is no enough water to_____(漂浮)the ship. (根据汉语提示单词拼写)

3 . I believe I will make new friends here and there is a lot to e______(探索) as senior high. (根据中英文提示填空)

4 . You’ll need to _________(计算，核算) how much time the assignment will take. (根据汉语意思单词拼写)

5 . Rather than ___ on a crowded bus, he always prefers _____ a bicycle.

A．ride; to ride

B．riding; ride

C．ride; ride

D．to ride; riding