—Let's _____ the movie, Capitan of America.
—Sorry, but I ______ a book now.
A:watching, read
B:watch, am seeing
C:go to, am reading
D:see, am looking at
南、北美洲西部沿海地区气候类型呈南北狭长状分布,下列因素中,可能对其产生主要影响的是
已知等差数列an中,a3+a7-a10=0,a11-a4=4,记Sn=a1+a2+⋯+an,S13=( )