从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。—We’llvisittheSummerPalace...
问题详情:
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
—We’ll visit the Summer Palace _______ there is a heavy rain tomorrow.
— OK! Boating on the lake must be great fun.
A. if B. as soon as C. unless D. since
【回答】
C
知识点:连词
题型:选择题