If I went to the moon, I ______ bring something unusual back to the earth.

John , how do you like your new job?—Very exciting, but it _____ me lots of time.

Jim! Is this your dictionary?—No, it isn’t. Ask Sally. She is looking for_______.

This is 3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?

“______ the friendship between our two people last forever!”, and with this sincere hope, the president concluded his speech.