—There aren’t any toys in our suitcase.Where have you put them?—Oh, no.That old lady sitting next to us ______ have taken ours by mistake.
It is the test system, _____ the teachers, that is to blame for the heavy burden of middle school students nowadays.
______ not to miss the flight at 15:20, the manager set out for the airport in a hurry.
The last letter ____ arrived yesterday morning left him______ very sad.
The opening ceremony of the 29th Beijing Olympic Games was _____ that everybody was greatly impressed_____ it.
The peace-keeping Chinese officers are still serving in Haiti ______ the continuous aftershock activities.