请将每个题的每个选项都详细解答一下,谢谢!
1.We can get there on time without____________.
A.he'help B.him help
C.his help D.the help of him
答案:C
2.Teenagers shouid study hard not to____their parents____.
A.make;terrified B.let;down
C.let;up D.make;trouble
答案:B
3.I enjoy learning English,____it takes me a lot of time.
A.as if B.even if
C.if D.unless
答案:B
4.The teather was busy with his work.He didn't want anyone ti____him.
A.see B.say
C.wake D.bother
答案:D
5.The doctor_______the crying baby,but he couldn't find out what was wrong with it.
A.looked over B.looked after
C.looked for D.looked out
答案:A
希望能将每个选项的意思都解释出来.
