问题

What has _____ my dictionary I can’t find it. — Don’t you forget you’ve lent it to Lucy

A:become of
B:resulted in
C:brought about
D:taken place

正确答案是：

同类题型

____along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me

填入下面一段文字横线处的语句，最恰当的一句是（）前沿科学已经逐渐解开了人类衰老及长寿的密码，这个密码便是存在于染色体上 “端粒”。端粒保护着染色体，就像鞋带两头的塑料封套保证鞋带不会松牙一样。当细胞常分裂时，细胞中的染色体会跟着复制，形成新的配对, 。但是端粒自身也有命。细胞每分裂一次，端粒就缩短一次，当端粒不能再缩短时，细胞就无法继续分裂而亡。可以说，端粒的长度决定着生命的寿命。

There are about 50____in our school.

MrSmith was very disappointed to see the car he had had _____ went wrong again

Helen plays the piano well, ____her favourite instrument is the violin