ave not lost your heart, then— ________. I will try again.

We must________the weather into consideration first when climbing mountains.[ ]

What happened to him? He promised to come by 9, but it’s now almost 8:50.—Don’t worry. He is always _____.[ ]

In this park,the number of visitors is strictly _____to avoiddamaging the environment. [ ]

If he _____my advice, he wouldn’t have lost his job. [ ]