1.according to___announcement ,the visiting professor will g
1.according to___announcement ,the visiting professor will give a talk on__body language in the hall
选填/ the a
2.—shall we go to the concert this weekend?
—sounds great!(to ensure)we get good seat ,we‘d better book tickets in advance.怎么判断是填to do 还是 doing?
第一题的答案是 the / the...language 不是固定短语吗 我的老师说body language不可数,所以用/