-----Did you find the missing couple in the mountain yesterday?-------No, but we _ to get in touch with them ever since.A have tried B. had tried C. have been trying D. had been trying
Dress warmly, _____ you'll catch cold.
This book gives a brief _____ of the history of the castle and details of the art collection in the main hall.
How can we get this language point _____ to the students.
I got out of the taxi, ___ the fare and dasked into the station.