—Why are your hands so dirty?
—I________in the garden．
| A．was working | B．have worked | C．worked | D．have been working |
John’s aim is to inform the viewers that cigarette advertising on TV is illegal, __________?
| A．isn’t it | B．is it | C．isn’t he | D．is he |
Sarah hopes to become a friend of _________ shares her interests.
| A．anyone | B．whomever | C．whoever | D．no matter who |
--What is that building?
--____________ the students have their dance classes.
| A．The building that | B．There are |
| C．That’s the building which | D．That’s where |
When _________ by the reporter about his generous action, he said: “__________ others can always be joyful.”
| A．being interviewed; Helping | B．interviewed; To help |
| C．having interviewed; Help | D．interviewing; Having helped |
When Rebecca came to, she did not know how long she __________ there.
| A．has been lying | B．was lying | C．had been lying | D．has lain |