In the past twelve months the research members ______ the effectiveness of many materials in a home building.
A. had studied B. would study C. studied D. have studied
Stage fright is a common example of ______ educators call a “lack of confidence” among students.
A. that B what C. which D. whose
The weather turned out to be fine yesterday. I ______ the trouble to carry my umbrella with me.
A. should have taken B. could have taken
C. needn’t have taken D. couldn’t have taken
______ with high demand and serious shortage of preschools, the local government is undertaking a major expansion.
A. Faced B. Being faced C. Facing D. Having faced
Considering his poor health condition, the doctor insisted on his_____ a good rest before going back to work.
A. being taken B. having taken C. his taken D. his taking
“It’s a secret. Promise no one else would know it”, he lowered his voice and whispered ____ no one could overhear it.
A. in case B. even if C. so that D. just as
