He was so cold, he seemed so proud, ________ every time she met him, she experienced a kind of emotional electric shock.
| A．after | B．since | C．yet | D．for |
The role that our army_____ in flood control is very important.
| A．made | B．acted | C．played | D．did |
I was very______ for him because he helped me out of trouble.
| A．grateful | B．calm | C．loose | D．worried |
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 |