A lot of people mistake John for Bill because they （） each other in appearance too much!

单项选择题I can （）you that the animals are well cared for in our zoo, so you needn’t worry about them.

A．suppose
B．assume
C．assure
D．grant

单项选择题（）by a large audience, he felt very nervous and didn’t know what to say.

A．Watching
B．Watch
C．Watched
D．Having watched