At first, the company had 15 notebook computers but only one – third used regularly. Now we have over 60 working all day long.
| A．were | B．are | C．was | D．is |
The questionnaire takes ______ ten to fifteen minutes to complete and can be used along with the assessment interview.
| A．mainly | B．punctually | C．approximately | D．precisely |
—Where is Mother?
—She is in the kitchen. She ______the housework all morning.
| A． does | B．has been doing | C．has done | D．was doing |
Not knowing how to grow crops，the primitive people had no ______ but to gather the fruit and hunt animals for food.
| A．conception | B．command | C．virtue | D．alternative |
—Did you meet with the famous star yesterday?
—______ I had come a little earlier!
| A．If only | B．Only if | C．But for | D．For fear |
A lot of children never fully ______ their mothers until it is too late.
| A．urge | B．appreciate | C．accuse | D．motivate |