I had to call a taxi because the box was ______ than I’d expected.

 With April 18’s railway speedup, highway and air transport will have to compete with ______ service for passengers.

—Do you have any idea why Mark is leaving?—No. In fact，everyone is _________about it. 

Tibet is facing a(n)____task to maintain  stability and all government workers must be on their highest guard.

  The government of our school brought few ________ benefits to us over that  matter.