Pleasebeserious.Iamnot_______.Youshouldconsideritcarefully
Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
He works in our university as a visiting _______, not as a formal faculty member.
What he said in the meeting _______ everybody present.
With the help of the government , a large number of people ---_______ after the flood in 1991.