I dropped my key in the garden, but luckily my mother ________it.
| A．located | B．knew | C．recognized | D．spotted |
At the time of the earthquake Jeff was still in his office. He ________ to finish a project before he left for the day.
| A．has tried | B．had tried | C．has been trying | D．had been trying |
We ________ to go skiing tomorrow，but there’s no snow，so we’ll just stay home instead。
| A．are going | B．were going | C．will go | D．would go |
I really ought to go on a diet。I ________ on so much weight since I gave up jogging.
| A．put | B．am putting | C．have put | D．had put |
I don’t understand how you got a ticket. I always ________ you ________ a careful driver.
| A．think; are | B．am thinking; are | C．thought; were | D．think; were |
—Did you enjoy your holiday?
—Yes, it’s the best holiday I ________ these years.
| A．had | B．have had | C．had had | D．would have |