There are storms at times in summer and fall in China.同义句转换There are storms ______ ______ ______ ______ in summer and fall in China.
问题描述：
There are storms at times in summer and fall in China.同义句转换
There are storms ______ ______ ______ ______ in summer and fall in China.
答
every now and then
答
from time to time