I can’t find my mobile phone. I’m sure it’s in this room.—____________. I’ll call you with my phone. Whenit rings, you can follow the sound.

_______ she was invited to the ball made her very happy.

Our duty is to ______ their country against bothdomestic and foreign enemies’ attack

You can’t imagine ________ difficult the road to success is.

Hurry! The train ________. You know it ________ at 8?00 a. m.. [ ]