【正文】 at B．in C．on D．with15．The blue planet is so far from the earth that radio signals, travel ________ the speed of light, take 16 hours to reach the spacecraft.A．for B．in C．on D．a(chǎn)t16．________ Friday afternoon, our school ends earlier than usual.A．At B．On C．To D．In17．Everyone was touched ________ words after they watched the film Hi, MOM 《你好，李煥英》directed by Jia Ling.A．under B．a(chǎn)cross C．beyond D．a(chǎn)gainst18．—I want to visit Liaoning History Museum. Is it open today?—No. It opens every day ________ Monday.A．except B．till C．between D．a(chǎn)fter19．The chopsticks are ________ wood.A．made of B．made from C．made in D．made with20．A study shows that rude languages spoken to children may have bad results that go ________ those of beating them.A．a(chǎn)gainst B．beyond C．except D．with21．China sent up the final satellite of Beidou Navigation Satellite System(北斗衛(wèi)星導(dǎo)航系統(tǒng)) from Xichang Satellite Center___________ June 23,2020.A．a(chǎn)t B．in C．to D．on22．Xuzhou Metro Line 2 came into use ________ November 28, 2020, it is one of the most important events in our daily life.A．a(chǎn)t B．in C．on D．for23．—Thanks for looking after me ________ my illness, Millie.—Don’t mention it. That’s what friends are for.A．through B．a(chǎn)mong C．with D．a(chǎn)cross24．—Why can’t we drive in the emergency lane (應(yīng)急車道) on expressway?—Because the lane makes it possible to race ________ the clock to save people’s lives.A．beyond B．over C．a(chǎn)gainst D．through25．New York City, also known ________ Big Apple, bees one of the world’s greatest business and cultural centers.A．a(chǎn)s B．by C．for D．to26．The story The Ugly Duckling ________ Hans Christian Andersen has remained popular among children for centuries.A．in B．on C．by D．with27．— Would you like to visit the zoo with me now?—Sorry, it’s _______ the visiting hours. Let’s go there tomorrow.A．beyond B．through C．during D．on28．Because of COVID19, this summer holiday will begin ________ July 18.A．on B．in C．for D．a(chǎn)t29．In western countries, children play “trick or treat” ________ the evening of October 31st.A．a(chǎn)t B．in C．on D．to30．Switzerland lies ________ France, Germany, Austria and Italy.A．between B．a(chǎn)mong C．a(chǎn)gainst D．beyond31．Let’s vote ________ China’s Inspirational Role Models(感動中國人物) ________ the Internet, shall we?A．for。 by C．a(chǎn)s。 for3．The underground in this city has been ________ service for almost 3 years.A．on B．in C．a(chǎn)