ComradeLi________beinBeijingbecauseIsawhimintownonlyafewminutesago.
A、mustn’tI wish you ________ like that.
Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.
A great number of small power stations ________ (set up) in their county since liberation.
Wooddoesnotconductelectricity;________.
