First _______ in 1926, the opera Turandot still attracts audience from all over the world.
A.perform B.performing
C.to perform D.performed
______ such a problem before, we handled the situation very well this time.
A.Deal with B.Dealing with
C.To deal with D.Having dealt with
______ 840 square miles, the national park has beautiful lakes, mountains and forests.
A. Cover B. Covering
C. Covered D. To cover
In addition to a healthy diet, you also need regular exercise _______ weight.
A.losing B.having lost C.lost D.to lose
The earthquake hit Central Mexico on Tuesday evening, ________31 people.
A.injuring B.injured C.having injured D.to injure
—Have you started writing your report?
—Not yet. I _______ a hard time getting the information.
A.am having B.had
C.was having D.will have
