Many endangered animals, such as the Malayan sun bear, _____ in danger of dying out.
| A．remain | B．remains | C．are remained | D．is remained |
In order not to be disturbed ,I spent three daysin my study.
| A．locking | B．locked | C．to lock | D．lock |
He sat back on the chair, took a book and began to read, ___.
| A．being looked at ease | B．looked rather at ease |
| C．to look rather at ease | D．looking rather at ease |
David apologized for ______ to inform me of the change in the plan.
| A．his being not able | B．him not to be able |
| C．his not being able | D．him to he not able |
They really have a great time too , designing everything , drawing the blue prints ,the angles and so on .
| A．looking out | B．taking out | C．finding out | D．figuring out |
—I really appreciate to holiday with you on this nice island .
—It’s my pleasure .
| A．have time | B．having time | C．to have time | D．to having time |