I had trouble thinking _________after that because I was very afraid.
A.recently B.clearly C.suddenly D.heavily
The ice in the lake is as _________ as it was before.
A.thin B.thinner C.thinnest D.the thinnest
Mark didn't wake up _______ his friend called him this morning．
A.before B.while C.until D.after
I _________home when it rained heavily.
A.went B.was going C.am going D.is going
July is _________month of the year.
A.seven B.seventh C.the seven D.the seventh
Peter had ____ unusual experience last night． He saw ____ UFO in his garden．
A.an， a B.an， an C.a， a D.a， an
