1、You have ___C____ time to catch your train.
Aplenty ofBmanyCmuch
time做“时间”讲,是个不可数的名词,因此不能用many 要用much.A答案中plenty of 可以修饰不可数名词.
2、I'll just go and ___B____ what's going on outside.
AfindBfind outClook
look是个不及物动词不能直接接宾语.find 和find out 的区别在于,find为找到,发现,指的是结果,find out 找出,查明.
3、____B___ he is over 70 years old,he still works very hard.
ABecauseBAlthoughCAs
从原句意思上来讲：虽然他已年逾70,但是他仍然辛勤工作.
是表示转折,因此选择B
4、The child is __C_____ his father.
Acalled asBnamed asCnamed after
是个固定的词组,name after是“以..命名”的意思
5、In fact she doesn't like him ___A____.
Aat allBany moreCno more
not...at all 一点也不
Not...any more不再
原句的意思：实际上,她一点也不喜欢他.