可以的,但是应该将a expert改为an expert.
a lecture will be given by an expert.
如果是特指某演讲,就该写成
The lecture will be given by an expert.
或
The lecture will be delivered by an expert.
或
The lecture will be presented by an expert.
可以的,但是应该将a expert改为an expert.
a lecture will be given by an expert.
如果是特指某演讲,就该写成
The lecture will be given by an expert.
或
The lecture will be delivered by an expert.
或
The lecture will be presented by an expert.