There was no sign _______ they had died from diseases such as bird flu - the main worry in such cases. Among the theories was _______ a truck had collided（碰撞）with the crowd.
| A．/; that | B．that; that | C．that; which | D．that; / |
She lay lazily in the armchair under the tree, the sun _______down through the broad leaves.
| A．shone | B．shining | C．was shining | D．to shine |
Dad is used to smoking and drinking. There is no chance________I am able to talk him into ________.
| A．whether；giving it up | B．of whether；giving them up |
| C．which；stopped it | D．that; getting rid of them |
_________he had only practiced the part a few times; he did it successfully beyond expectation.
| A．Unless | B．If | C．Because | D． Although |
What I’ve just got for Christmas is ________ attractive ipad, ______ present I have been longing for.
| A．an; a | B．an; the | C．the; a | D．the; the |
Laughter, along with an active sense of humor, ______ protect you against a heart attack, according to a recent study.
| A．have helped | B．helped | C．help | D．helps |