John will call you in advanceto tell you when and where to meet．（ ）
| A． |
in a way |
B． |
in time |
| C． |
later |
D． |
ahead of time |
His mother won't be there，________ his father might．（ ）
A．andB．butC．or
_______ pleasant journey it is!（ ）
A．HowB．WhatC．What a
My best friend helps to ______ the best in me，as the saying goes．（ ）
A．bring outB．bring inC．bring up
Artemisinin _______ by Tu Youyou，a great Chinese scientist．（ ）
A．was inventedB．invented
C．has invented
As our children get bigger，our house seems to get ________．（ ）
A．the smallerB．smaller
C．smallest