The sixyearold girl infected with the H7N9 bird flu is in a ________ condition after receiving treatment.
For many years we have been keeping in ____by sending each other e-mails or phone calls.
____ you read English easily, you’ll find it’s another cup of tea to make conversation in English.
To prepare for the Olympic Games in summer, London ____ its largest ever exercise to test the response of emergency services.
Saving and recycling are long-term projects ____ determination matters a great deal.
You needn’t have come in person --- a letter _____enough.