I still remember ______ to the Science Museum for thefirst time when I was young

_____ is the orange —Orange.

is known to us is that the 2016 Olympic Games will be held in Rio de Janeiro, Brazil.

Why are you looking so worried? —I sent an email to my son in America last week, but no reply ________

______did the baby panda Xi Wang ______ when she was born— About 100 grams.