I saw some fish ________ in the lake when I walked by it.
A. swim B. to swim C. swimming D. to swimming
—________your mom at home today?
—Yes, but she________yesterday.
A. Was；wasn't B. Is；isn't C. Was；isn't D. Is；wasn't
There are lots of ________ and ________ in the village.
A. mouses；sheeps B. mice；sheep C. mice；sheeps D. mouses；sheep
I came here ________ the morning of June 20th.
A. in B. on C. at D. with
—How was your last weekend?
—We had great fun ________ on the beaches.
A. play B. plays C. playing D. played
—Who spent the weekend with you?
—Mary ________．
A. does B. was C. had D. did
