This box is so heavy that he cannot lift it. ________, he is only a ten-year-old child.                      

Before the tourists set off , they spent much time setting a limit _____ the expenses of the trip.

–How was your interview with the famous basketball player—Yao Ming? --I was quite nervous at first, but his warm smile put me____. 

The government is _____ and will take the necessary steps to maintain security and stability.

---I find reading comprehension the hardest in learning a foreign language. ---Well,   you’d better practise reading short passage every day.