Mary ______ all the housework, she dropped herself into the sofa, sighing with relief.
| A．finished | B．had finished | C．having finished | D．finishing |
It makes little difference to me _____ we go or stay．
| A．whether | B．where | C．that | D．how |
When asked how he liked his job, he said he was happy _____ he was．
| A．what | B．who | C．where | D．how |
--- Beg your pardon, but I didn’t follow you．
--- Oh, I ______ myself．
| A．would talk to | B．talked to | C．had talked to | D．was talking to |
It’s really ____ fun to walk alone with _______ full moon hanging in the sky．
A．a; the B．a; 不填 C the; a D．不填; a
The knee is the joint ______ the thigh bone meets the large bone of the lower leg．
| A．when | B．where | C．which | D．that |