Tina failed in the math test. Shelooks very sad. —Let’s come to cheer her________.

Andy was crying in his room just now，but he wouldn’t tell me_______ made him so sad.

Aron water five days later.

ou I, ________ many of you are old enough to remember, was launched in November, 1999.

noisy crowd, I had to raise my voice to make myself ___________.