It_______fortwohoursnow
D
雨现在还在下，是持续到现在的动作，所以根据句意，用现在完成进行时比较好。
Astothevariouspollutions,whichofthefollowingisNOTtrue?
Motivationandpersonalitymay________thevaryingdegreesofsuccessinone’scareer.
This is ________ good reading habits are not only an important study skill for the student, but also an important life skill for anyone.