题目:
Gusty westerly winds will continue to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and bring fair and dry weather for several days.
选项:
A、to usher in a seasonably cool air mass into the region, as a broad area of high pressure will build and
B、ushering in a seasonably cool air mass into the region and a broad area of high pressure will build that
C、to usher in a seasonably cool air mass to the region, a broad area of high pressure building, and
D、ushering a seasonably cool air mass in the region, with a broad area of high pressure building and
E、to usher a seasonably cool air mass into the region while a broad area of high pressure builds, which will
答案:
E