The young trees should______ as often as possible.
| A．take care of | B．be take care of |
| C．be taken care of | D．be taken care |
—Were you at home 7:00 last night?
—Yes, I __ a shower at that time.
| A．took | B．was taking |
| C．was taken | D．am taking |
—Hello, Mike. Long time no see, Where are you?
—Oh, not only my parent but also I __ Wuhan for a month.
| A．have gone to | B．have been to |
| C．has been in | D．have been in |
Don’t discuss the problems with your partner unless you ___ to do so.
| A．ask | B．are asked | C．will ask | D．will be asked |
—Listen! Our music teacher is playing the music of Two Butterflies.
—_________!
| A．What a sweet music | B．How sweet music |
| C．How a sweet music | D．What sweet music |
—Could you tell me __ ? —Yes, it will start at ten.
| A．when will the meeting begin | B．when the meeting will begin |
| C．where the meeting begins | D．where does the meeting begin |