I really wonder____ he has posted me many parcels_____ we didn't work together.
| A．how ,after | B．why, when | C．when, before | D．why, since |
Some experts think the wolf's team spirit for survival is ____ is needed in today’s competitive culture.
| A．that | B．what | C．which | D．how |
A well-written composition__________ a good choice of words and clear organization among other things.
| A．calls on | B．calls for | C．calls up | D．calls off |
—________I’m very busy now. Could I call you back after work?
— OK. I’ll wait for you.
| A．Probably | B．Occasionally | C．Frequently | D．Actually |
________ideas and contents of the 60th national day, the great ceremony was very successful.
| A．In terms of | B．In favour of | C．In charge of | D．In memory of |
Before the Hope Project was carried out in this poor area, children here had no _____ to education.
| A．approach | B．access | C．attitude | D．attraction |