The students________to meet at 8 o'clock, but Robert was half an hour late.
When ________ to the market, these products were very popular.
His English, ______ used to be very poor is now excellent.
---- Why don’t we choose that road to save time?---- The bridge to it _________.
There are many talented actors out there just waiting _______.
---- Does your brother study in Beijing University?---- No, not now. But he ________ there for 7 years.