—You’re late again. We for you since 8: 00 a. m. . —Sorry. An unexpected visitor came to see me.
A number of people suffer ill effects from drugs ______ they take the drug exactly as directed.
The silence of the library is sometimes broken by a sudden cough or the sound of pages _____.
It is said that _____ good companion is better than _____ fortune, which can’t buy true qualities.
--- Shall I give you a hand as your case is so heavy? ----Thank you._____.
___he hasn’t come is_______ he is busy writing his novel.