99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<em id="9kzxb"></em><dd id="9kzxb"></dd>

單項(xiàng)選擇題

It（）exactly thirty years since I graduated from college.

A.was
B.has been
C.was be
D.had been

你可能感興趣的試題

單項(xiàng)選擇題

To be frank, （）is a great joy for me to win the prize.

A.this
B.that
C.it
D.there

單項(xiàng)選擇題

I forgot （）an umbrella with me when I left home for work.

A.take
B.to take
C.taking
D.took

<pre id="hollh"><acronym id="hollh"></acronym></pre>