du has focused on improving the surrounding countryside, ________ encouraging large-scale city expansion

Everyone in my family ___________ after work every day.

The _____ look on his face showed that hehad enough confidence in himself.

Head coach Li Yan bursts into tears of joy when shesees Zhou Yang first _____ the finish line at the women’s 1500m short trackspeed skating final

下列各句中，加点的成语使用正确的一项是（ ）