. What the doctors really doubt is ______ my mother will recover from the serious disease soon.
| A．when | B．how | C．whether | D．why |
—What made ber so sad? —______a good chance to go abroad.
| A．Miss | B．Missed | C．Missing | D．Being missed |
A professor of biology gave a talk to more than 1000 students on elephants living conditions and the dangers _______ them.
| A．face | B．facing | C．faced | D．are facing |
—It has rained for a day. What timely rain!
_____________.
| A．So it is | B．So is it | C．So it has | D．So has it |
—The party was a great success. Why didn’t you come?
—I wish I_______.
| A．had | B．did | C．would | D．should |
He wrote a lot of novels, none of _____ was translated into a foreign languages.
| A．them | B．where | C．that | D．which |