Health experts up to 18 people for possible exposure to Ebola（埃博拉）, Five students after coming into contact with the patient, Dallas officials said．
| A．observed; are monitoring |
| B．observed; have been monitored |
| C．have observed; were monitoring |
| D．were observing; were being monitored |
相关试题
——I’ve read another book this week.
——Well, maybe______ is not how much you read but what you read that counts.
| A．.this | B．that | C．there | D．it |
______ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.
| A．To be tried | B．Tired | C．Tiring | D．Being tired |
I don't understand what the engineer means, but I’ve got rough idea of Project plan.
| A．the; a | B．不填； the | C．the；不填 | D．a; the |
—Sorry, do you mind if I smoke here?
—Yes, _______.
| A．you could | B．go ahead | C．I do | D．my pleasure |
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