—Shall I lock the lab now before I go home?—________.I'll check it myself later.
After a whole day’s hard work, they went back home, ____________.
I’m sorry you’ve been waiting so long, but it’ll still be some time ___ Brian gets back.
If the weather had been better, we could have had a picnic. But it ___ all day.
I like getting up very early in summer. The morning air is so good ____
One of the most important questions they had to consider was ___________ of public health.