Ⅰ. Multiple choices.
1．I lost the dictionary I ________．
A．have bought B．bought C．had bought D．had been bought
2．The train had gone when my brother _______ at the station．
A．have arrived B．arrived C．had arrived D．am arriving
3. Mary _______ of visiting her grandmother, but the bad weather made her change her mind.
A．has thought B．thought C．had thought D．had been thought
4．------Did you meet Tom at the airport？
------No，he _______ by the time I ______ there．
A．has left；got B．had left；arrived C．left；arrived D．left；had got
5．-------Why didn’t Tom attend the meeting yesterday？
-------He __________ Beijing．
A．has gone to B．had gone to C．went to D．had been to
