请懂英语的进来帮帮我语境:有人要住旅店,但是接待员说 "房己经满了.然后就是下边的话..I wish I _____su

请懂英语的进来帮帮我
语境:有人要住旅店,但是接待员说 "房己经满了.然后就是下边的话..
I wish I _____suggest somewhere else but this is the only hotel in town and every room _______."
第一个空
A.would B could C can D should
第二个空
A.has been booked up weeks ago
B.was booked up weeks ago
C.has been booked up since weeks
D.was booked up since weeks
这两个空怎么选 参考答案是:第一个选 B 第二个选 B