According to the latest rules, everyone must have their temperature taken ________ they enter the school.
| A． |
before |
B． |
though |
C． |
unless |
We finished the rest of the dinner ______ silence after we heard what he told us．（ ）
A．onB．atC．inD．of
Eric is not going to Nanjing by ______ plane．Instead，he is taking ______ train．（ ）
A．/， aB．a， /C．a， theD．the， a
I wonder _____in Guangzhou in two hours．
Of course．The high speed train is very fast．（ ）
A．when I can arriveB．when can I arrive
C．whether I can arriveD．whether can I arrive
It's nearly lunch time．How about having some noodles and dumplings？
．（ ）
A．You're welcomeB．That's right
C．That's nice of youD．That sounds good
_____exciting news it is! 3D﹣﹣printed houses will come out!（ ）
A．WhatB．What anC．HowD．How an