People have lots of problems living in the central Australian desert, ____ the lack of water is the most serious one.
| A．of which | B．which | C．for which | D．where |
He hoped that he would _____ a more suitable job．
| A．be assigned | B．assign |
| C．have been assigned | D．have assigned |
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