How’s your tour around the North Lake? Is it beautiful?—— It _______ be, but it is now heavily polluted.

We do have the most supportive parents and teachers, ________will make a difference to our study, unless all of us make every effort .

Will you pass me the dictionary _____ the cover is dark blue?

Thanks for listening to my problem and giving me your advice, Amy._______. That’s what friends are for.

China is very _______ the Great Wall and pandas.