---- How’s your new babysitter?
---- We ______ ask for a better one. All our kids love her so much.

The earthquake in Japan, measuring 9.0 on the Richter Scale, was so violent         cause a series of explosions of the nuclear reactors in several power stations.

She didn’t allow the accident to discourage her. On the contrary, she began to work      .

Do you have any idea ______ on earth has happened to our friend?

I ‘ ll help you_________.

There was no ______ that she was a good teacher.

Not a single book is allowed _________ out of the reading room according to the new rule.

Using his hybrid rice, farmers are producing harvests          before.

Jane won’t join us for dinner tonight and _______.

—Must I turn off the gas after cooking?
—Of course, you can never be ____careful with that．