In time of serious accidents, ________ we know some basic things about first aid, we can save lives.
He’ll be very upset if you_________his offer of help.
.—Have you moved into the new house?—No,the building is_________ construction.
—How about your sister’s studies?—Oh,she is_________ very well in her studies.
It_________ to me that I should pay a visit to my friend Jane.
.She listened to the music with her face_________ in tears.