—Have you found the missing?couple in the mountain ?
—No, but we hard to get in touch with them．
| A．have tried | B．have been trying |
| C．had tried | D．had been trying ． |
Much disappointed as he is _______ in the job interview, he still keeps his confidence.
| A．to have failed | B．failed |
| C．having failed | D．failing |
Time is pressing; it’s impossible for me to get there in an hour, ______ the possible delays.
| A．accounting for | B．answering for |
| C．allowing for | D．heading for |
According to the school rules, a student ______ report any damage to school properties to a teacher or the office immediately.
| A．shall | B．will | C．should | D．would |
By pretending to be ill, the candidate tried to run away from _______ issues, which always aroused too much debate.
| A．confidential | B．controversial |
| C．contemporary | D．contradictory |
— You are really crazy about music!
— Sort of. I always find in music _______ peace which is missing in _______ world full of challenges.
| A．/; the | B．/; a |
| C．a; the | D．the; a |