Wasacarinvented_____March4,1876?A、on B、in C、at
–________ did you do yesterday?–Before I visited my good friends, I went to the zoo.
The guide taught us how________ a model robot.
The ______doctors like eating beef and _______ noodles.
It is important _______________ at others.
We are ___________ to watch the __________ game.