—It shouldn't be so difficult to solve the problem if we all come to help．
—That's right_ _．
| A．Many hands make light work |
| B．Something is better than nothing． |
| C．The more, the better |
| D．The sooner begun, the sooner done |
________ him before, I didn't recognize him.
| A．Having never seen | B．Never seeing | C．Not seeing | D．Having not seen |
As a teacher, I seldom give my students so difficult a problem ________ they can not work out.
| A．that | B．if | C．in order that | D．as |
None of us had expected the middle-aged engineer died ____ his design uncompleted.
| A．from | B．without | C．of | D．with |
______, Obama’s health care reform hasn’t been accepted by all the Americans yet.
| A．As it may sound reasonable | B．Reasonable as it may sound |
| C．As reasonable it may sound | D．Reasonable as may it sound |
Many of the creatures in the movie “Avatar” are not real, but much of __________ happens is attractive.
| A．which | B．that | C．what | D．them |