I am really shy. Idon’t know anyone there

I know _________ I promised to take you todinner, but I won’t finish working until ten o’clock.

Mary tries ____ vegetables eleven or twelvetimes a week because she wants to be ____.

You’d better ride a bike to go to school _____ takinga bus every day.

I went to the Weifang International Kite Festival.—__________. What did you see there