【简答题】Mr. Smith works in an office. He is very busy and has no time to have a good rest. Every evening, when he comes from his office, he? s always tired and wants to go to bed early. But his wife often has...
【简答题】be anxious about 为...而忧虑 We ’ ve been anxious about you since you got lost. 自从你走失以来,我们一直为你担忧。 7 be busy with 忙于... He is always busy with his farm work. 他总是在忙农活。 8 be fit for 适合于 If we go on polluting...