⑸ It / This / That +is+ the first(second …) time + that sb has done sth: 意为“这是某人第…次做…”,注意time前有序数词,主句是 is 时 ,从句要用现在完成时;如果主句用was ,则从句须用过去完成时。 Eg : It is the third time that I have seen the film. Tha...
worth while:It is worth while doing sth It is worth while sb to do sth. 典型例题 It is not ___ to discuss the question again and again. A.worth B.worthy C.worth-while D.worth while 答案C. 由worth的用法可知,此句只适合词组be worth-while to do sth..因...
(1) be worthwhile 后接动名词或不定式均可。如:It is worthwhile buying the dictionary. 这本词典值得买。(其中的 worthwhile 也可换成 worth)It is worthwhile to discuss the plan again. 这个计划值得再讨论一次。(n'">这个计划值得再讨论一次。 worthwhile 不能...
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