Mr. Brown’s condition looks very serious and it is doubtful if he will ________.
| A．pull back | B．pull up |
| C．pull through | D．pull out |
—Hadn’t your sheep gone much farther _________ you caught up with them?
—No,and we found _________ only two of them that were frozen to death.
| A．when;it were | B．until;/ |
| C．as;there was | D．before;it was |
The article suggests that when a person _________ under unusual stress he should be especially careful to have a well-balanced diet.
| A．is | B．were | C．be | D．was |
________ who wish to go swimming may sign up here.
| A．Any person | B．Those |
| C．Anyone | D．These |
The mother,along with her two daughters,________ from the sinking aircraft by a passing ship.
| A．have rescued | B．have been rescued |
| C．has rescued | D．has been rescued |
.I’d like to work with _________ is honest and easy to get on with.
| A．who | B．whoever |
| C．whomever | D．no matter who |