People generally think that smoking is a bad __________ .
| A．custom | B．habit |
| C．behavior | D．action |
I don’t know ______ or not the books _____ to the homeless children next month are really useful.
| A．if, given | B．whether, to be given | C．whether, giving | D．if, which are given |
—I failed again in the math test.
-- ______.
| A．Why | B．Cheer up | C．No problem | D．That’s all right |
This year __________ to be another good one for harvests.
| A．tells | B．means | C．promises | D．intends |
If a web page asks for some personal information, you need to find out if the page is __________ or not.
| A．familiar | B．certain | C．secure | D．similar |
Perhaps it is true that nobody in the world knows exactly how the earth __________.
| A．came up | B．came out | C．came to power | D．came into being |