Her forehead _____ hot. I’m afraid she is ill.

---- Do you know our hometown at all? ---- No, this is the first time I ____ here.

The hard life in the mountainous area he has adapted to ____ a real challenge to anyone. 

 By the time he was twelve he ______ a chemistry lab of his own.

——Oh,it’s you!I______you. ——I’ve just had my hair cut and I’m wearing new glasses.