高中_状语从句_练习.pdfVIP

1 Do you know how long it is ___ we last went to the theatre? A. since B. before C. when D. that 2 Don’t answer me with a simple “yes” or “no”. Explain ___ possible. A. whoever B. whenever C. however D. whatever 3 ___ I am willing to help. I don’t have much time available. A. What B. When C. While D. Where 4 -Everyone will make a mistake. -Yeah, but we should correct it ___ it gets worse. A. when B. before C. after D. while 5 The terrible earthquake took place early this month ___ three southern countries meet. A. where B. when C. that D. which 6 They were walking along the shore ___ a huge wave appeared out of nowhere, sweeping them out of sea. A. as B. while C. when D. though 7 We must keep a positive attitude toward the future ___ we may encounter some difficulties. A. however B. as if C. even if D. since 8 House prices vary from place to place and as usually high ___ there are famous schools. A. where B. since C. when D. whether 9 Most plants need sunlight just ___ human beings do. A. that B. as C. when D. while 10 ___ you talk to someone or write a message, you show your skills to others. A. At times B. Some time C. Every time D. The time 11 A study indicates that most children are polite ___ they are unfairly treated, in which case they may show aggressive behavior. A. until B. unless C. though D. even though 12 ___ I went to the seaside, I picked up a great many shells. A. The first time B. For the first time C. At first