A.surrounded B.surrounding C.surroundings D.surround
单项选择题The machines are made () at full speed.
A.work B.working C.to work D.to be worked
单项选择题Mr White, along with his assistants, () on the project day and night to meet the deadline.
A.work B.working C.is working D.are working
单项选择题As we have known from the map of the woad, this is ______.
单项选择题He hung up the phone, with a()smile on his face.
A.satisfied B.satisfying C.to be satisfied D.having satisfied
单项选择题Victor remained modest () his great success.
A.because of B.because C.even D.despite