The authorities declared that because of the war petrol was _____ and had to be rationed (定量供应).
| A．inadequate | B．rare | C．lacked | D．scarce |
____, dear! Things are getting better.
| A．To cheer up | B．Look up | C．Make up | D．Cheer up |
____ surprised me most was _____ she had changed that much.
| A．Which; that | B．What; that | C．That; what | D．What; how |
Having been attacked by terrorists, ____________.
| A．doctors came to their rescue | B．the tall building collapsed |
| C．an emergency measure was taken | D．warning was given to terrorists |
These new books are a very welcome _________ to the school library.
| A．addition | B．arrival | C．attitude | D．audience |
An awful accident____________, however, occur the other day.
| A．does | B．did | C．has to | D．had to |