Hi,Sally, what’s wrong with you—I didn’t sleep well last night. It took me _______ to finish my homework.

Tom is in low spirits today He ______ again inthe job interview—What a pity! He has been greeted with bad luck thesedays

This photo of mine was taken__________ stood the famous high tower.

Tom’s uncle has devoted _________ to charity since he came to China 20 years ago.

himself to his research on the IT technology, hesoon made a breakthrough.