As is known to us, theory is based on practice and servers practice. A. by chance B. in turn C. in return C. by turn
The time __Mathilde had to go back home finally arrived.
--Let’s play basketball for a while, shall we?---No, I don’t want to --How about ___? --Oh, that is fine.
Jim took my book by mistake.He ought ___ the yellow one.
Jeanne said; “My friend, Mathilde, __ very hard during those years.”
I don’t go in for sports, but I enjoy ___ basketball matches.