问题
选择题
You _____ an A on your composition, but there were some spelling mistakes.
A．should receive
B．could have received
C．would receive
D．must have received
答案
答案：B
考查情态动词用法。根据there were some spelling mistakes 可知，本句是对过去的虚拟，所以排除AC，B表示本可以得A，符合题意。D意为一定得了A，不符合题意、