When the man came in, gun in hand, we all stood there, ________.
The suggestion _____more samples be included in the experiment will be carefully considered.
--Brenda just bought a 3G mobile phone.--Oh, really? How I wish I could get ________ as well!
________ May as planned at first, the Smiths decided to set out to Hainan at the end of April.
Peter has to spend ________ two hours every day on the demanding math assignment.
You really don’t need to buy another computer ________ you have already got one.