【27】A．mysteryB．successC．characteristicD．secret

I would appreciate _____ it a secret.

I would appreciate _____ it a secret.

The President made a brief visit to Beijing.A．shortB．workingC．formalD．secret

The President made a brief visit to Beijing.A．shortB．workingC．formalD．secret

He seemed _______ the secret.A: knowB: to knowC: knowingD: known

His bedroom is_____only through a secret back entrance.A．accessibleB．obtainableC．attainabl