Making recommendations

Complete the sentence:

We recommend _________ in our staff.

• to invest

• investing

Complete the sentence: We ____ __ improve our customer service.

• has to

• have

• have to

• had to

Complete the sentence: We _____ hire more staff to help our customers.

• should

• can't

• mustn't

• might

We suggest ________ (train) our staff on our products.

We _____ lose our customers if we don't do something.

• must

• should

• have to

• could

We ____ act now before it's too late!

• can

• must

• need

• might