----Did Peter fix the computer himself?
-----He ________, because he doesn't know much about computers.
| A．has it fixed | B．had fixed it | C．had it fixed | D．fixed it |
---When shall we meet your cousin at the station?
---His plane took off 2 hours ago, and it _________ arrive at 5pm.
| A．could | B．should | C．must | D．can |
A lot of research and studies have shown that Trench oil, taken out from kitchen waste, ______ the increase of cancers.
| A．results from | B．attends to | C．contributes to | D．devotes to |
Don’t trust such people _____ praise you to your face but speak ill of you behind your back.
| A．who | B．whoever | C．that | D．as |
– I met Jackson at our school theatre. Can you imagine_____ well-known _____ an expert on ENT?
| A．his becoming; as | B．to become; as | C．his becoming; for | D．to become; for |
It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.
| A．that | B．whether | C．how | D．what |