Q20:

Both the Federal Reserve’s decision that borrowing rates be raised, along with investor’s speculation that another increase might be on the way, helped bolster the dollar in recent weeks by making deposits more attractive.

1. that borrowing rates be raised, along with investor’s speculation that another increase might be on the way, helped bolster the dollar in recent weeks by making

2. that borrowing rates be raised and investors’ speculation of possibly another increase on the way helped to bolster the dollar in recent weeks because they made

3. to raise borrowing rates and investors’ speculation that another increase might be on the way helped to bolster the dollar in recent weeks by making

4. to raise borrowing rates, along with investors’ speculation that another increase might be on the way, helped bolster the dollar in recent weeks because it made

5. to raise borrowing rates and investors’ speculation of possibly another increase on the way helped bolster the dollar in recent weeks because they made

key is C , but help to do seems not right ,open to discuss ,

help to do in OG-216

216. Many policy experts say that shifting a portion of health-benefit costs back to the workers helps to control the employer’s costs, but also helps to limit medical spending by making patients more careful consumers.

(A) helps to control the employer’s costs, but also helps

(B) helps the control of the employer’s costs, and also

(C) not only helps to control the employer’s costs, but also helps

(D) helps to control not only the employer’s costs, but（C）

(E) not only helps to control the employer’s costs, and also helps

看来help to do是可以的

选错了。：(

help to do从来都是可以的

236. The Coast Guard is conducting tests to see whether pigeons can be trained to help find survivors of wrecks at sea.

(A) to see whether pigeons can be trained to help find

(B) to see whether pigeons can be trained as help to find

(C) to see if pigeons can be trained for helping to find

(D) that see if pigeons are able to be trained in helping to find（A）

(E) that see whether pigeons are able to be trained for help in finding

help do 也是可以的哦