. --- Did you often e-mail your family during the first year at university?
--- No. I was so busy meeting new people that I didn’t write to my family as I _____.
| A．ought to | B．should do | C．should have written | D．should have |
相关试题
During the period of recent terrorist activities, people _____ not to touch and unattended bag.
| A．had always been warned | B．were always being warned |
| C．are always warning | D．always warned |
It is immediately clear ____ the financial crisis will soon be over.
| A．since | B．what | C．when | D．whether |
Hearing the dog barking fiercely, away.
| A． | fleeing the thief | B． | was fleeing the thief |
| C． | the thief was fleeing | D． | fled the thief |
David threatened_____ his neighbour to the police if the damages were not paid. 
| A．to be reported | B．reporting |
| C．to report | D．having reported |
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