No wonder he looks tired! He’s been studying for the exams all week, ____ he’s been working in a bar at night.
| A．while | B．but | C．plus | D．as |
________the population of China is the largest in the world.
| A．It is well known that | B．As is well known |
| C．Which is well known | D．That is well known |
He was________with his________son.
| A．disappointing; disappointed | B．disappointed; disappointed |
| C．disappointing; disappointing | D．disappointed; disappointing |
. It is ________ that he hasn’t________.
| A．obviously; told the truth | B．obvious; told a truth |
| C．obvious; told the truth | D．obviously; told truth |
Don’t worry! Philip is quite used to________in such busy streets as this.
| A．drive | B．be driving | C．have driven | D．driving |
She will never forget her stay there __________ she found her son who had gone missing two years before.
| A．that | B．which | C．where | D．when |