Grammar 21, 22

He ……. check his emails more frequently to stay updated.

• can

• could

• have

• should

You ……. take shortcuts when handling heavy machinery.

• should

• can

• shouldn’t

• must

You can choose to work overtime ……. go home early today.

• but

• and

• because

• or

……. I report this safety issue to my supervisor.

• Could

• Can

• Should

• have

The equipment malfunctioned ……. we couldn’t finish the job on time.

• so

• but

• because

• and

He missed the safety training ……. he was busy with another project.

• and

• because

• so

• but

Wear your safety boots ……. you don’t get injured.

• so

• because

• and

• or

Employees ……. submit their reports on time.

• should

• can't

• could

• can

……. I wear gloves while working in the lab?

• Couldn't

• Could

• Can

• Should

The technician was careful ……. he still made a mistake.

• but

• because

• so

• and