---- ________ it is late, I shall go home now. ---- OK, go ________.
Cathy was very happy to meet _____old friend on the plane to Paris.
--What about having a drink? --_______.
They usually go shopping____ their lunch break.
After Steven sent some e-mails ,he______ surfing the Internet.
It’s hard to believe____ the way out of the forest without the help of the local guide.