After the earthquake, the first thing the local government did was to provide ____________ for the homeless families.
| A．accommodation | B．occupation | C．equipment | D．furniture |
A lesson from the terrible drought(干旱) that hit some parts of southwestern China this year is that more anti-drought projects ______ built in the past years.
| A．should be | B．should not have been |
| C．ought to have been | D．must be |
—Where did you get this book?
—Oh, I ______ it in the bookshop when I was looking for another one.
| A．came across | B．found out | C．looked for | D．came up |
The plane of the Polish president was about to land ______ it snagged(挂) treetops and crashed, ______ the president and 96 others on board.
| A．while, killed | B．when, killing |
| C．and, and killed | D．when, to kill |
Mum ______ to us. “Be quiet! Your little sister is sleeping.”
| A．shouted | B．explained | C．whispered | D．replied |
Einstein’s theory, which was doubted by most scientists at first___out to be correct in the end.
| A．proved | B．was proved | C．turned | D．tested |