(2012江西卷)You’d better write down the phone number of that restaurant for future .
—Mary broke up with me!—You_ _have forgotten about the Valentine's Day.
Have you considered how weak humans are a volcano, hurricane or earthquake?
Can you explain ________ the sun goes down in the west?
—Someone has tidied the sitting room!—Jim __ it this morning; he couldn't bear the mess any more.
Peterson used to work in a remote mountain village school, which is only on foot.