Let those in need _______ that we will go all out to help them.
A．to understand
B．understand
C．understanding
D．understood
答案：B
let作为使役动词，后面的动词不定式不带to。这里的in need做了those的定语，understand
let的宾语those的补足语。句意：让那些需要帮助的人明白我们将全力以赴帮助他们。
【考点定位】考查非谓语动词
| 97．Because Web servers are platform and application (1) , they can send or request data from legacy or external applications including databases. All replies, once converted into (2) mark-up language, can then be transmitted to a (3) . Used in this way, Intranets can (4) lower desktop support costs, easy links with legacy applications and databases and, (5) all, ease of use. |
(5)
A．manage
B．perform
C．support
D．reduce
E．divided enhance implemented introduce ranked run