摘要： When you are about which button to press on the complicated machine, you can either read the user’s guide for guidance or fax us for specific instruction. Don’t the trial-and-error method. A. insure; do B. ensure; make C. uncertain; try D. unsure; touch
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When you are _______ about which button to press on the complicated machine, you can either read the user’s guide for guidance or fax us for specific instruction. Don’t ______ the trial-and-error method.
|
A．insure; do |
B．ensure; make |
C．uncertain; try |
D．unsure; touch |
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When you are _______ about which button to press on the complicated machine, you can either read the user’s guide for guidance or fax us for specific instruction. Don’t ______ the trial-and-error method.
|
A．insure; do |
B．ensure; make |
C．uncertain; try |
D．unsure; touch |
查看习题详情和答案>>
When you are ______ about which button to press on the complicated machine, you can either read the user’s guide for guidance or fax us for specific instruction. Don’t ______ the trial-and-error method.
- A.insure; do
- B.ensure; make
- C.uncertain; try
- D.unsure; touch