They arrived ________ Shanghai ________ a cold morning.
_______hard work it is! And__________should I do to complete it well?
‘I’____the first letter in the word‘irregular’,and there is___‘u’and ___‘l’in it.
----- Betty telephoned to say welcome back. ------Really? _______.
The famouse writer Lin Qingxuan ______to come to our school to give a speech again.
Who can _____that he finished his task alone?