In the park , the number of the visitors is tightly ____ to avoid damaging the environment or putting stress on the animals.

In the park , the number of the visitors is tightly ____ to avoid damaging the environment or putting stress on the animals.

#19787

limited

intended

expected

encouraged

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Though ____ to see the strangers, the housewife gave them a big smile and said hello.

#59555

surprising

to be surprised

surprised

having surprised

There was a fire accident in the hotel last night. Fortunately everyone had a(n) _____ escape from the fire and no one was hurt.

#17935

narrow

likely

shallow

unique

Doctors say that exercise is important for health, but it must be        exercise.

#19476

frequent

normal

regular

usual

 With his wife talking endlessly about his this and that, it is quite _______ for him to lose his temper.

#18409

common

normal

ordinary

usual

Both teams are among the most excellent. We mustn’t miss the ______ game.

#19271

strong

difficult

crazy