Mary dropped in ____ Mr Smith, but he wasn' t at home, so she went to drop in ____ Mr Smith's office.
| A．on, on | B．at, at | C．on. at | D．at. on |
—We might as well try our best before quitting.
—______! We should give it a try!
| A．You said it | B．You name it |
| C．You deserve it | D．You got it |
I will spend a whole evening _____ in your room waiting for the thief to arrive.
| A．locking | B．in locking |
| C．being locked | D．locked |
The newly-built cafe, the walls of _____ being painted light green, is really a peaceful place for us, especially after the hard work.
| A．that | B．it | C．what | D．which |
After＿＿＿seemed a hopeless wait, four coal miners trapped in the mine for 125 hours were finally rescued in Heilongjiang Province.
| A．when | B．that | C．it | D．what |
Nelson Mandela’s fellow campaigner, Archbishop Desmond Tutu, said Mr. Mandela was “not only an amazing gift to humankind, but he also made South Africans and Africans feel good about being _______ we are. He made us walk tall.”
| A．what | B．where | C．when | D．who |