Lily often helps her sister ____herhomework.

ou visit the museum today—No. We _____ it, but we spent too much time shopping.

More and more people come to visit Mount Danxia.—That’s true. It has become the ______ of Guangdong province.

Why do you suggest we buy a new machine?— Because the old one has been damaged ___________

This aircraft’s safety record is an _____ testament to its designers’ skill. [ ]