The rule is true __________ all cases.
| A．about | B．on |
| C．of | D．to |
— Jenny, how many years have you studied in China?
— I ________ here for three years by the end of this month.
| A．study | B．have studied | C．will have studied | D．am studying |
— Why didn’t you go to help her?
— I , but I seriously ill.
| A．would have; would be | B．would; were |
| C．would have; was | D．would; had |
— Why does Alice look so tired?
— It took her a whole morning to ____________ a new dress at the store.
| A．make up | B．figure out | C．pick up | D．pick out |
— Mum, why do you give me so much popcorn?
— _____ the boring time.
| A．Kill | B．Killing | C．To kill | D．Having killed |
— Why didn’t you go to the dance last night?
— If I tired, I would have.
| A．were not | B．hadn’t | C．haven’t been | D．hadn’t been |