I _____ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.
| A．worked | B．have worked | C．was working | D．had worked |
Gone forever ____ when we used foreign oil.
| A．the days are | B．the days were |
| C．are the days | D．were the days |
-----When will they come back?
-----I _____ don’t know.
| A．simply | B．hopefully | C．happen | D．as well |
She was more headstrong than ______.
| A．the rest of us | B．us the rest |
| C．the other of us | D．us the other |
Though ______, many laws of nature exist.
| A．not having been discovered | B．having not been discovered |
| C．not having discovered | D．having not discovered |
The servant did _____ she could ______ the revolutionary.
| A．what, help | B．that, to help | C．what, to help | D．all help |