According to research, children whose parents __________ are more likely to have difficulty __________ their studies.
| A．split up ； concentrating on |
| B．broke into ；to focus on |
| C．gave up ；concentration on |
| D．put into ； focusing on |
As soon as the gate was opened, the people around me rushed into the supermarket and I got __________ from my mother.
| A．separated |
| B．divided |
| C．missed |
| D．lost |
The government __________ air quality in urban areas from level one to five ： excellent，fairly good, slightly polluted, poor and dangerous.
| A．arranges |
| B．classifies |
| C．distributes |
| D．divides |
I got __________ from my classmates when climbing the hill.
| A．divided |
| B．dividing |
| C．separated |
| D．separating |
The teacher __________ his students __________ five groups.
| A．divided ； into |
| B．separated ； from |
| C．separated ； into |
| D．divided ； from |
The police are trying to find out the __________ of the woman killed in the traffic accident.
| A．evidence |
| B．recognition |
| C．identity |
| D．status |
—Who knows where Terry is?
—The reason __________ Terry is absent is __________ his father had an accident.
| A．why ； because |
| B．why ； that |
| C．that ； because |
| D．that ；/ |
__________ you have finished this programme, can you talk about our plan for holiday trip now?
| A．When |
| B．Because |
| C．In order that |
| D．Now that |
I was about to leave __________ someone knocked at the door.
| A．when |
| B．while |
| C．since |
| D．once |
I __________ what he said and I __________ him.
| A．believe ；believe in |
| B．believe in ；believe |
| C．believe ； believe |
| D．believe in ； believe in |
—I wonder why Tom left without a word.
—He __________ have had some trouble, for he looked dull.
| A．should |
| B．must |
| C．can |
| D．could |
I had just got up and was about to cook my breakfast__________ the telephone rang, but it was hung up __________ I could answer it.
| A．while ； when |
| B．when ； as |
| C．as；after |
| D．when；before |
Swimmers must be very strong in order to build up speed because of the high resistance (阻力)of the water. Runners,__________, must struggle against the heavy resistance of the air and ground.
| A．generally |
| B．similarly |
| C．naturally |
| D．probably |
They're not playing baseball today __________ the rain.
| A．because |
| B．as |
| C．since |
| D．because of |
In some places women are expected to earn money __________ men work at home and raise their children.
| A．but |
| B．while |
| C．because |
| D．though |
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