He works as an engineer now, but he _______ on a farm for three years.
| A．has worked | B．worked | C．was working | D．had worked |
I _______ that the job has been filled.
| A．regret to say | B．regret saying | C．regret to have said | D．regret said |
With tags(标签) _____ to the luggage, it won’t take long for the passengers to find theirs correctly..
| A．tying | B．tied | C．to tie | D．tie |
I _______the Internet when she telephoned to invite me to watch Ip Man 2 (叶问 2), and I
happily said OK to her.
| A．was surfing | B．had surfed | C．have surfed | D．surfed |
New Zealand has a population of about 3.8 million, ____ about fourteen percent are Mori.
| A．about which | B．for which | C．during which | D．of which |
The expert ____ health has discovered that five patients suffering the same disease are similar
____ age.
| A．for; to | B．about; over | C．in; in | D．into; onto |