26.Itisdifficulttodosomeofthee

26. It is difficult to do some of the experiments ________ in our physics textbooks.

A．to describe

B．describing

C．described

D．being described

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相关试题

142. It is reported that there is going to be a heavy rain, so I am ______ to postpone my visit.

A．had

B．forced

C．oppressed

D．Forbidden

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141. ----May I use your car?
----No, I _______ you to. You are so young.

A．allow

B．promise

C．forbid

D．Foresee

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140. The storekeeper had to fold up his store because he didn’t earn any money after one year. The underlined part probably means _____.

A．close his store

B．enlarge his store

C．change his store

D．sell his store

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139. After such a storm I’m surprised that the river __________.

A．hasn’t flooded

B．hasn’t been flooded

C．wasn’t flooded

D．hadn’t been flooded

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138. All that remained was to __________ the date of the wedding.

A．repair

B．mend

C．fix

D．Finish

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