题目内容
Children，when ______ by their parents, are allowed to enter the stadium.
| A．to be accompanied | B．to accompany |
| C． accompanying | D．accompanied |
D
解析试题分析：考查非谓语动词用法。句中的逻辑主语为children，与accompany之间为被动意义上的关系，故用过去分词作状语。句意：当有父母陪伴的时候，孩子们是允许进入体育馆的。故D正确。
考点：考查非谓语动词用法
As they were walking around, they noticed a man _______ against a tree.
| A．sit | B．to sit | C．sitting | D．sat |
There is a note pinned to the door______ when the shop will open again.
| A．saying | B．says | C．said | D．having said |
There are still many problems ______ before we are ready for a long stay on the Moon.
| A．solving | B．solved |
| C．being solved | D．to be solved |
In freezing weather, snow can turn into ice, which is easy to ________.
| A．be slipped | B．slip |
| C．slip on | D．be slipping |
--What do you think of cloning?
--No doubt it’s a great invention. But ________, it may have some side effects.
| A．if not properly handling | B．if properly not handled |
| C．if not properly handled | D．if properly not handling |
（2014年北京市西城区高三5月二模试题）26. Sometimes, ______ a patient a get-well card is better than visiting him.
| A．to be sent | B．being sent | C．having sent | D．sending |
(2014·江西红色六校二次联考)________little such material left，they decided to hold a meeting to discuss what________.
| A．There was；was done | B．Being；to be done |
| C．Having；to do | D．With；was done |
The poor little boy________by his heartless parents was seen begging in the street.
| A．abandoning | B．to be abandoned |
| C．having abandoned | D．abandoned |