The demand for _____ skilled workers is still increasing.
| A．high | B．higher |
| C．highly | D．more highly |
(重庆卷30). The news shocked the public, to great concern about students’ safety at school.
| A．having led | B．led | C．leading | D．to lead |
（天津卷12）. I rained heavily in the south, _______ serious flooding in several provinces.
| A．caused | B．having caused | C．causing | D．to cause |
. The lawyer listened with full attention，to miss any point.
| A．not trying | B．trying not | C．to try not | D．not to try |
A great number of students said they were forced to practise the piano.
| A．to question | B．to be questioned | C．questioned | D．questioning |
. In many people’s opinion，that company，though relatively small，is pleasant.
| A．to deal with | B．dealing with | C．to be dealt with | D．dealt with |