—Do you know _______ they got to know each other?—It was last year_______ they both taught Chinese in Scotland.
Cheer up! Never let your failures _____ trying harder.
— What was the trouble with you the day before yesterday? — When I practiced running, my strength _____ and I fell onto the ground.
They held a meeting ____ they could hear everyone’s idea.
Lily’s mobile phone was left in a taxi accidentally, _____ again.
— Can Li Ping help me with my English? — I regret to tell you her English is ____ yours.