She will take a(an) class in English.
—— Where did Mary’s parents buy the beautiful vase? —— It was in the same village _______ they spent their holidays last year.
——Is there any possible way to help them get rid of such a bad habit? ——To tell the truth, it’s very hard. But we_______ on this problem.
Help others whenever you can _______ you will earn respect from others without difficulty.
The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.
—— I haven’t seen Johnson these days.—— I think she _______ a conference in Beijing, but I’m not sure.