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As we all know, the advantage _______ is good for students’ self-improvement.
| A．they take of the library | B．they take the library |
| C．they take to the library | D．they take the library of |
You can put the medicineyou like, on condition that the children can’t reach it.
| A．in which | B．wherever | C．the place | D．the place where |
There were two boys in the lab,did the experiment successfully.
| A．the clever of whom | B．the cleverer of whom |
| C．the clever of them | D．the more clever of them |
The customer didn’t chooseof the coats and went away without looking at a third one.
| A．both | B．all | C．any | D．either |
—How can I use this washing machine?
—Well, just refer to the.
| A．explanations | B．expressions | C．introductions | D．directions |
He spent too much time talking onphone while we were all busy atwork..
| A．the; / | B．a; / | C．/ ; / | D．the; the |