--- I ____ so busily recently that I ____ no time to help you with your maths.
---That’s OK. I can manage it by myself.
| A．had been working; had had | B．have been working; had |
| C．have been working; have | D．am working; will have |
相关试题
Barrack Obama’s recent visit to the Asian nations clearly sent a message to the
world______ Asia is important in America’s global partnership.
| A．which | B．where | C．that | D．as |
. I don’t smoke now, but I ____for almost ten years.
| A．ever smoked | B．have ever smoked |
| C．had ever smoked | D．was ever smoking |
The dying man is _____ the help of the doctor.
| A．outside | B．without | C．out of | D．beyond |
. To read a novel before going to bed seems to me a rule____________
| A．to never break | B．never to have broken |
| C．never to be breaking | D．never to be broken |
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