Commercially packaged caramel apples from the USA were reported to have killed at least 7 people and sickened 32 before July 24, 2015, officials said. Typically, problems arise ______ caution is absent.
| A．that. | B．what |
| C．where | D．in which |
.
The President said to the public, “________ hoped that people in the area will recover from the terrible earth quake soon.”
| A．This is | B．There is | C．That is | D．It is |
.
It was _______ was advertised on TV that made many customers buy the computer which was not so perfect as the ad said.
| A．that | B．which | C．what | D．it |
.
Great changes have taken place in that school. It is no longer ___ it was 20 years ago, ___ it was so poorly equipped.
| A．what, when | B．that, which | C．what, which | D．which, that |
.
The doctor recommend he _________ a few more days in hospital.
| A．stays | B．to stay | C．stay | D．would stay |
.
Seeing your picture, I couldn’t resist _____ the days _____ we spent together.
| A．to think of; when | B．to think of; which |
| C．thinking of; which | D．thinking of; when |