【题目】The sons and daughters said they never fully appreciated their parents _________ it was too late to tell them.

A. as B. that

C. until D. When

【题目】He describes everything in _________ order, which makes _________ excellent impression upon us.

A. the; an B. /; the

C. the; / D. /; an

【题目】So desperate _________ that no one could help another, each _________ to save himself and his animals.

A. was the situation ； was trying

B. the situation was; trying

C. the situation was ； was trying

D. was the situation; trying

【题目】Every means has been _________. No one is effective.

A. trying out B. tried in

C. tried on D. tried out

【题目】So sudden __________ that the enemy had no time to escape.

A. did the attack B. the attack did

C. was the attack D. the attack was

【题目】It shames me to say it, but I told a lie when _________ at the meeting by my boss.

A. questioning B. having questioned

C. questioned D. to be questioned

【题目】Generally speaking, _________ according to the directions, the drug has no side effect.

A. when taking B. when taken

C. when to take D. when to be taken

【题目】She is a bit shy and __________ stand up and answer the teacher's questions.

A. dares not B. doesn't dare

C. dare not to D. dares not to

【题目】John received an invitation to dinner, and with his work __________, he gladly accepted it.

A. finished B. finishing

C. having finished D. was finished

【题目】--Who should be responsible for the accident?

-- The boss, not the workers. They just carried out the order .

A. as told B. as are told

C. as telling D. as they told