问题

Jerry has promised to keep the secret, so he won’t tell anyone ________ asked to

A:until
B:now that
C:unless
D:even though

正确答案是：

同类题型

We must take measures to protect the environment from _____. [ ]

Food safety is ________ important, so the government spares no efforts to prevent food pollution

Is this your bedroom, Bill –No, it isn’t. It’s_________

an his natural ability with hand work, heshould be very successful

he wasn’t ready in time,we went without him