His sudden look of fear made _____ clear that he had something to do with the matter．
| A．him | B．this | C．it | D．that |
— Look, where are you going?
— I can’t ________ the map and drive at the same time, can I?
| A．watch | B．read | C．see | D．notice |
For a long time, they walked without saying _________ word. Jim was the first to break ________ silence.
| A．the; a | B．a; the | C．a; 不填 | D．the; 不填 |
There is no doubt our educational system leaves something to be desired．
| A．what | B．whether | C．if | D．that |
Before writing your answer, please give careful __ to the question．
| A．consideration | B．translation | C．examination | D．expression |
Helping others is a habit,you can learn even at an early age
| A．it | B．which | C．what | D．that |