ComradeLi________beinBeijingbecauseIsawhimintownonlyafewminutesago.
A、mustn’tHerefusedtotelluswhetherhe________(undertake)thejob.
he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.
I know it isn ’t important but I can ’t help ________ about it.
“Have you moved into the new flat? ” “Not yet. The rooms ________ (paint). ”
Matter is the name ________ (give) to everything which has weight and occupies space.
