We’ll visit the Summer Palace_______ there is aheavy rain tomorrow.— OK! Boating on the lake must be great fun.

You know Jane?—Yes, it was _____ I surfed the Internet last week.

13．Many medical scientists are racing__________time to find a cure for H1N1 as soon as possible

ng Wendy’s menu, I found that many ofthe items are similar to ______ of McDonald’s

s your trip to Canada—Good, but the hotel we stayed in is ______butsatisfactory.