下列句子中，没有语病句意明确的一句是（ ）

The US Army suffered a record 32 suicides in July 2011, the most ______ it began publishing monthly figures in 2009[ ]

We won’t start the work until all the preparations __________.

Our neighbor has ________ours.

Why are your eyes so red? You _______ have slept well last night.—Yeah, I stayed up late writing a report.