With all my attention _______ my homework, I didn’t even notice my father standing by me.
| A．to fix on | B．fixed on |
| C．fixing on | D．to be fixed on |
Scientists also have no idea how long it will be before all wild animals in the cages _____.
| A．should be set free | B．will be set free | C．are set free | D．would be set free |
--- _____ peasant-worker wants to meet you. Shall he come over?
---- Oh, you mean the one with a bag in _____ hand?
| A．A；the | B．A ；不填 | C．The ；the | D．不填; the |
Directly he arrived the bus station, then ____ he had intended to take.
| A．a bus did come | B．a bus came | C．came a bus | D．did a bus come |
---- Would you please help me try this blouse on?
---- ____, but I think it may be a little smaller on you.
| A．That’s all right | B．With pleasure | C．Believe it or not | D．By no means |
—Have you worked here since you graduated?
—No, I ________ at a factory in Beijing for six years.
| A．would work | B．have worked | C．had worked | D．worked |