Interchange U4 C1 grammar

As scientists ___________________ research, they discovered that women need more sleep than men.

• were doing

• did

Tags

CCSS.L.3.1D

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

A men was looking for his cat when he __________ a suspicious package inside a trash can.

• was finding

• found

Tags

CCSS.L.3.1D

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

As the woman ______________ the door, the lock broke.

• was locking

• locked

Tags

CCSS.L.3.1D

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

While the woman was waiting for the police, she _________ some warm water.

• was drinking

• drank

Tags

CCSS.L.3.1E

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

A boy was behaving strangely when he __________ the classroom.

• entered

• enters

• was entering

Tags

CCSS.L.3.1D

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

Tom found a babycat __________ under many toys in the sack when Tom opened the sack.

• slept

• was sleeping

Tags

CCSS.L.3.1D

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

_________ I was crossing the road, a car nearly hit me.

• While/As

• When

Tags

CCSS.L.1.1G

CCSS.L.3.1H

CCSS.L.5.1A

CCSS.L.5.1E

I was using my laptop ________ it suddenly stopped working.

• While/ As

• When

Tags

CCSS.L.1.1G

CCSS.L.3.1H

CCSS.L.5.1A

CCSS.L.5.1E

_______ we were playing badminton, my badminton racket broke.

• While/ As

• When

Tags

CCSS.L.1.1G

CCSS.L.3.1H

CCSS.L.5.1A

CCSS.L.5.1E

______ I was taking a shower, the water got cold.

• While/ As

• When

Tags

CCSS.L.1.1G

CCSS.L.3.1H

CCSS.L.5.1A

CCSS.L.5.1E