新东方在线考博频道给大家整理的2021年考博英语词汇语法练习27,希望能够对大家的考博考试备考有所帮助，更多有关考博的备考内容，欢迎随时关注新东方在线考博频道。
1.His name is on the________ of my tongue, but I just can't remember it.
A) edge
B) point
C) tip
D) top
2.The ability to use a language can be________ only by the act of using the language.
A) acquired
B) required
C) performed
D) perfected
3.The explorer________ all the way to the source of the river by coat.
A) drove
B) travelled
C) rode
D) tracked
4.It is the responsibility of the police to________ law and order in the city.
A) retain
B) sustain
C) restrain
D) maintain
5.The situation very soon got________ in that country.
A) into hand
B) out of hand
C) off hand
D) at hand
6.The customs inspector was________ for smugglers.
A) on the watch
B) on the guard
C) on watch
D) at alert
7.Trains stop here in order to________ passengers.
A) get off
B) pull up
C) pick up
D) pull in
8.I________ several interesting facts about Mexico in that book.
A) came to
B) came over
C) came into
D) came across
9.It's a pity that he is blind________ his own faults.
A) at
B) with
C) by
D) to
10.Join did it________ his will. He did not really want to do it.
A) against
B) in
C) to
D) at
[答案]
1-5：CABDB
6-10：ACDDA
以上就是新东方在线考博频道给大家整理的2021年考博英语词汇语法练习27希望对大家有所帮助，更多备考内容，欢迎随时关注新东方在线考博频道。