Jane tried to keep up a calm appearance，but her trembling voice ______.
| A．gave her away | B．gave her out | C．gave her in | D．gave her up |
With a lot of modern buildings _______, today’s cities are quite different from _______ of the past.
| A．to be built, ones | B．being built, one | C．built, ones | D．built, those |
Lucy was completely _____ after jogging in the hot sun all afternoon; she had little energy left.
| A．kicked out | B．worn out | C．handed out | D．put out |
. Scientists are making every _________ to find a new cure to cancer.
| A．effect | B．affect | C．effort | D．afford |
—How do you like working here?
—_______.To be honest，I miss my former colleagues．
| A．I like it here | B．Not so good | C．More than satisfactory | D．very much |
What’s the use of keeping the secret ______ everyone has already known it?
| A．as though | B．now that | C．before long | D．in case |