__________the house costs, it will _____________it.
| A．Whatever; be worth | B．However; worth |
| C．How much; be worthy of | D．What; worthy of |
.Growing around the river ________ wild flowers of almost the same colour.
| A．is | B．was | C．are | D．has been |
. A variety of courses ________ offered to enrich the students’ background knowledge of the English-speaking countries.
| A．were | B．is | C．have | D．has E) / |
. Though having a big market share, most electronic devices of this kind/type/sort ________ found poor in quality.
| A．is | B．being | C．are | D．having been |
E) has F) have G) / H) is being
. Statistics ________ that most of the published and quoted scientific articles are related to medical science.
| A．has shown | B．is shown | C．show | D．shows |
. Times ________ hard but the New York Times still ________ a wide circulation.
| A．are; has | B．are; have | C．is; has | D．is; have |