— Did Jack come back early last night?
— Yes. It was not yet eight o’clock ________ he arrived home.
A. before B. when C. that D. until
— Who should be responsible for the accident?
— The boss, not the workers. They just carry out the order ________.
A. as told B. as are told C. as telling D. as they told
The village has developed a lot ________ we learned farming two years ago.
A. when B. which C. that D. where
________ wants to stay in a hotel has to pay their own way.
A. Anyone B. The one C. Whoever D. Who
The field research will take Joan and Paul about five months; it will be a long time ________ we meet them again.
A. after B. before C. since D. when
I just wonder ________ that makes him so excited.
A. why it does B. what he does C. how it is D. what it is
