问题

Though measures have now been taken to prevent further price hikes, many people remain _______ over the rising cost of food.

A:be concerning
B:concerns
C:concern
D:concerned

正确答案是：

同类题型

The traveler __________ us with his stories，most of which happened in the war and were full of great adventures.[ ]

Does your sister work as a teacher in Canada? —No, but she once _________there for five years

It’s______to borrow money from your mother to pay back your debt. That’s just robbing Peter to pay Paul.

_______ students have learned _______ from the stories.

How do you Like the book?-It’s quite different from______ I read last month.