As Susan stared at ______ piles of plastic in her recycling bin, ______ strong sense of responsibility made her stick to her recycling work．
| A．不填；不填 | B．不填; a | C．the ; a | D．the; the |
We should consider the students’ request that the school library_______ more books on popular science.
| A．provide | B．was provided | C．provided | D．should be provided |
--have you ever been to Beijing before?
--No. it is the first time that I ____here.
| A．am | B．be | C．have been | D．had been |
catch the first bus, he got up very early this morning.
| A．In order to | B．In order that | C．So as to | D．So that |
My mother asked me______ enter my room.
| A．whether she could | B．when could she | C．that she can | D．how can she |
Although he had______ many severe tests during his lifetime, he succeeded at last.
| A．passed through | B．gone through | C．got along | D．got through |