As many as 150 people died in the explosion. If only the owners ____ enough attention to the safety measures!

If you don’t make up your mind to get ridof your bad habits，youwon’t be able to_________your goal．

Three people got killed by two explosions.—When was __________?—________ was on April 15 __________ the 2013 Boston Marathon was being held．

It’s suggested that some activities _____ to celebrate the 30th anniversary of the Reform and Opening-up.[ ]

you in the library when Jack arrivedthere —Yes, but I _________soon afterwards