943.Unexpected difficulties ________ in the course of their experiment.
A.arises
B.were arising
C.arose
D.were arisen
944.We're going camping tomorrow.Will you join us?
I wish I _______.As a rule,I _______my mother in the country that day of the week.
A.would;saw
B.can;have seen
C.shall;will see
D.could;see
943.答案是C;
考查动词的时态和语态在具体语境中的应用。
944.答案是D;
第一空wish+从句应用虚拟语气;第二空根据as a rule暗示,此处应考虑用一般现在时。