--- I called you last night, but nobody answered.
--- Oh, I usually__________off my cell phone by 8:00 pm.
| A．switched | B．have switched | C．switch | D．had switched |
—— Why? Tom, your shirt is so dirty!
—— Mum, I ＿＿＿＿＿ my storeroom downstairs。
| A．cleaned | B．have worked | C．was cleaning | D．have been cleaning |
She is not herself today, so she doesn’t feel like _______ food.
| A．eating | B．to eat | C．eats | D．and eat |
If I had had enough time, I my work.
| A．would finish | B．must have finished |
| C．would have finished | D．had finished |
I know he is getting on well recently. He _____ me regularly.
| A．writes to | B．has written to | C．wrote to | D．is writing to |
I _________ you, but I was busy all the time yesterday afternoon.
| A．could help | B．had helped | C．helped | D．could have helped |