— _____ nice music lesson Mrs Wu gave us today!
—Yes.We enjoyed it very much.
A．WhatB．What aC．HowD．How a
Tu Youyou is the first Chinese to win the Nobel Prize in Medicine，she ______ by more people nowadays．（ ）
| A． |
know |
B． |
knows |
C． |
is known |
D． |
was known |
My father used to drive to work，but he is used to ______ now．（ ）
| A． |
walking |
B． |
walked |
C． |
walks |
D． |
walk |
You ______ stop when the traffic light is red．（ ）
| A． |
can |
B． |
could |
C． |
may |
D． |
must |
Study hard，______ you won't catch up with your classmates．（ ）
| A． |
and |
B． |
or |
C． |
but |
D． |
if |
Mary runs ______ of all the girls in her school，and she won the 100﹣meter race last month．（ ）
| A． |
nearest |
B． |
highest |
C． |
fastest |
D． |
slowest |