Her boss expressed his unsatisfaction with ________she has made in the development of market.
Modern forms of transportation and communication have done much to ______ the isolation(隔离)of life in Alaska.
If you don’t try your best to learn all subjects, you will ___ behind.
Entering the room,I found Mary____ at the desk and____ a letter.
——Ms Lin looks rather a kind lady.——But in fact she is cold and hard on us. You ____ believe it!
---How did your students express their thanks to you on Teachers’ Day?---A gift together with many flowers _______ sent to me .