It is in the east of England _______ there is no doubt ________ it is going to rain tomorrow.
A:where; whether
B:that; that
C:that; whether
D:where; that
温室中绿色植物在阳光下生长,连续测定温室内的氧气含量,得到的图象应是( )
按要求,写单词。
love(过去式)____