问题

.Manufacturers should have professional productivity and technical knowledge to ______ the quality of the products.

A:predict
B:promise
C:guarantee
D:determine

正确答案是：

同类题型

e changed his mind—Yes. After some hours of discussion, I____ to talk him into accepting the new plan.

You look upset.What’s the matter？(2011·江苏)—I had my proposal ________ again.

The sentence structure of “I saw him run into the building” is____________.

You all like Rosie, right— Yes, she’s good_______.

No judgement ________ about the case until all the evidences have been carefully checked.