He hasn’t finished the work up to now.—Well, he____. [ ]

Just as sound travels through the air in waves, electricity travels through the air in ______ radio waves.

I am going to the Great Wall next week.— _______.

(2013·辽宁，31)Harry is feeling uncomfortable.He________too much at the party last night.

Thespeech by the governor of Guizhou province at the ninth Chinese National EthnicGames is deeply impressed _______ my memory.