—Excuse me. How much is the shirt?
— _______.
| A．Extra Large | B．50 each | C．It sells well | D．Altogether there are 5 |
The buses, ________ were already full, were surrounded by an angry crowd.
| A．most of them | B．which most |
| C．most of which | D．that most |
In many countries more and more forests and even agricultural land are being lost to development, _______ much of the land to become desert.
| A．caused | B．causing | C．having caused | D．to cause |
______ which school was suitable for their son, the parents visited lots of different primary schools in the city.
| A．To find | B．Being found | C．Found | D．Finding |
It was last Saturday ________ we visited the History Museum.
| A．which | B．and | C．that | D．Where |
I'll go to the library as soon as I finish what I.
| A．was doing | B．am doing | C．have done | D．had been doing |