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--- Is there anything wrong , Tom ? You look upset .
---Oh, nothing . In fact , I ______ the coming National College Entrance Examination
| A．have just thought of | B．was just thinking of |
| C．will just be thinking of | D．would just think of |
It was for the first time that the two countries ______ an agreement.
| A．reached | B．have reached | C．had reached | D．will reach |
This is the first time we _______ a film in the cinema together as a family.
| A．see | B．had seen | C．saw | D．have seen |
There are lots of problems in your hometown, but we're happy to see many of them________.
| A．are solving | B．are solved |
| C．have solved | D．are being solved |
I can guess you were in a hurry. You ______ your sweater inside out.
| A．had worn | B．wore |
| C．were wearing | D．are wearing |
-What's up? You look worried.
Well,I_____on the problem for 5 hours but I haven't got a single clue.
| A．have worked | B．Worked |
| C．will work | D．have been working |