Every means _________tried but without any result.
| A．have been | B．has been |
| C．are to be | D．is to be |
She is good ______ playing the piano and good ______ her students, which is good _______ the students.
| A．at; for; to | B．to; to; for | C．at; to; for | D．to; at; for |
Now that you have a job, you must exert (努力) yourself in ______ you do at work.
| A．however | B．no matter what | C．no matter how | D．whatever |
You should try to get a good night’s sleep ______ much work you have to do.
| A．however | B．no matter | C．although | D．whatever |
___________ your help, I got the first in the final-term English examination.
| A．Thanks to | B．Without | C．If not | D．But for |
A middle-aged woman came ________ to the bus stop only ________ the bus had gone.
| A．run; to find | B．running; to find | C．and ran; found | D．running; finding |