She devoted herself entirely ________ helping the children who suffered a lot from the earthquake.[ ]

Nowadays, some hot network languages are even in some official media, such as CCTV and People’s Daily.

Shall we finish the project two days ahead?—I’m afraid we , in case the heavy storm comes suddenly.

Mary heard ____strange sound at ____midnight outside her house and got scared.

The building under _____for stay-at-home children will be completed in March