题文
Some aspects of a pilot’s job ___ be boring, and pilots often ___work at inconvenient hours.
| A．can; have to |
| B．may; can |
| C．have to; may |
| D．ought to; must |
推荐试卷
Some aspects of a pilot’s job ___ be boring, and pilots often ___work at inconvenient hours.
| A．can; have to |
| B．may; can |
| C．have to; may |
| D．ought to; must |
试题篮
()
粤公网安备 44130202000953号
