-What's up？ You look so happy．
-I just______Jane，an old school friend of mine，in Pingjiang Road．
A. came over B. came about
C. came across D. came around
When she was collecting rubbish in the morning， the cleaner saw a tall man in a black coat______outside the office．
A. waiting B. waited
C. wait D. to wait
- Got it! This is the first step______the engineer went wrong．
- Oh， one fault may lose everything．
A. which B. where
C. that D. when
- Haven't we met before？ You seem to be Mr． Richard．
-______． Did we meet at James' birthday party？
A. So do I B. So I do
C. So am I D. So I am
William， grandson of the Queen， said he would not expect or accept special______when he was considering joining the army．
A. treatment B. achievement
C. statement D. requirement
Studying online is popular among students in Suzhou，______they are free to choose what to learn and when in this way．
A. while B. if
C. though D. as
