In face of the challenge for the moment, it’s most important to ______ a good state of health.
---Oh, God! Look at your new shirt! It has been totally ruined.---Worse luck! I ______ in the rain.
The country has already sent up three unmanned spacecrafts, the most recent ____at the end of last March.
She would say she was kept very busy, ____ she meant to refuse his invitation to dinner.
Several new railways are under _____ in China .
The traffic is heavy these days . I _____ arrive a bit late , so could you save me a place?