and under-fund, your team struggles to stay float(勉强支撑).
A. Understaff
B. Understaffed
C. Understaffing
D. Onstaffed
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I found I could easily make myself by using sign language.
A. understood
B. understand
C. to understand
D. being understood
Look at that little boy about--perhaps he's lost his mother.
A. wander
B. wandering
C. to be wandering
D. being wandering
Any student will be diqualified from the exam.
A. catching cheating
B. catching to cheat
C. caught cheating
D. caught to cheat
She read the letter ghrough before sending it, for spelling mistakes.
A. checked
B. to be checking
C. checking
D. having checked
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