Science and technology are developing ______ quickly that some new electronic products are out-of-date within several months.

It’s helpful_____ you to give me _____ useful advice.[ ]

I have seen the film Titanic already．一When_______ you________ it?

There is going to ______ a basketball match in the afternoon.

The skirt looks different from the others and it’s really nice.—Thanks. It _________ by my mother last month.