问题

He ________ whether to set aside the minor differences，then he did

A:as
B:if
C:unless
D:though

正确答案是：

同类题型

Research has been limited to ____ production profits,rather than ____ that GM foods are safe.

When you have western food, you should use knife and fork properlyThe underlined part means “_________”

Is the People’ Great Hall _______to ordinary visitors?—Of course.

keep on writing, you will have brighter future, likely to become J. K. Rowling.

Do you have trouble these English words