16£®—I heard you visited Chengdu during the National Day holidays£®What’s it like? 

—______I’d like to stay there forever.

A£®It’s really fascinating!                               B£®Hard to say.

C£®I couldn’t agree more.                              D£®Oh, come on!

17£®The Shenzhou-12 crew, ______ had spent 3 months aboard the space station, returned to the earth just in time for the Mid-Autumn Festival on September 17.

A£®whose                    B£®which                    C£®that                       D£®who