1921. I will see you ............ Sunday morning. A. in B. at C. till D. on 1922. Lan failed the exam, ................ very sad. A. so she was B. since she was C. because she was D. but she was 1923. She couldn‟t go to work.....................her sickness. A. because of B. because C. as D. so 1924. If we go on ............ water, we will soon run out of fresh water. A. to waste B. waste C. wasting D. to be wasting 1925. Don't forget to buy me a stamp, .............. ? A. will you B. shall you C. do you D. don't you 1926. How much time do you spend ............... everyday? A. to watch TV B. on watching TV C. watching TV D. watch TV 1927. He wishes he ......... English well. A. learns B. learnt C. can learn D. will learn 1928. If you feel tired, you ................... . A. should lie down B. ought lie down C. had better to lie down D. should to lie down 1929. Most of English boys ............ playing football. A. are fond of B. are tired of C. dislike D. enjoying 1930. The Richter system is named after the person ............... invented it. A. who B. whom C. whose D. which 1931. Will your sister be home ........... dinner tonight? A. with B. on C. for D. to 1932. If someone ............... into the store, smile and say, 'May I help you? A. comes B. came C. will come D. would come 1933. Mathematics, Literature and English are .................... subjects in high schools. A. adding B. compulsory C. optional D. religious