—Betty, is that Linda’s sister?
—Yes, it’s __________ sister.
| A．my | B．her | C．his | D．she |
The water in this river is harmful because It’s a ______ river.
| A．pollution | B．polluted |
| C．has polluted | D．pollutes |
I won’t go to see the film this evening because I _____ my ticket just now.
| A．have lost | B．will lost | C．lost | D．lose |
--- Where is your mother?
--- She _______ to Sichuan on business. She has ______ there four times recently.
| A．has gone, gone | B．has been, been |
| C．has gone, been | D．has been, gone |
Rose feels lonely from time to time because all her friends____________.
| A．married | B．have married to | C．have got married | D．marry |
--Nick, ____ you ____ my book?
--Sorry, I came here just now .
| A．have, seen | B．did, see | C．has, seen | D．do, see |